Yamaha 25 hp 2 stroke oil ratio

x2 This is the Highly Detailed factory service repair manual for theYAMAHA OUTBOARD 8 HP 2 CYL. (165CC) 2-STROKE 1984, this Service Manual has detailed illustrations as well as step by step instructions,It is 100 percents complete and intact. they are specifically written for the do-it-yourself-er as well as the experienced mechanic.YAMAHA ...Inner Peace by Mike Chino https://soundcloud.com/mike-chino Creative Commons — Attribution-ShareAlike 3.0 Unported — CC BY-SA 3.0 http://creativecommons.org/...BORE x STROKE: 65 x 65.1mm / (2.56 x 2.56 in) PROP SHAFT HORSEPOWER: 25 HP at 5500 RPM FULL THROTTLE RPM RANGE: 5000 - 6000 RPM ALTERNATOR OUTPUT at W.O.T.: 16 Amp COMPRESSION RATIO: 9.3:1 FUEL INDUCTION SYSTEM: EFI WEIGHT: 126 lbs (57 kg) / 143 lbs (65 kg) RECOMMENDED FUEL: Octane 87 RECOMMENDED ENGINE OIL: Yamalube 4M (See Owner's Manual) Here you can buy a Yamaha 15 hp 2 Stroke Outboard Engine Short Shaft with a manual starter and tiller control at a low price. ... Compression ratio: 6.8: Power (hp) fifteen: Bore x stroke (mm) 56 x 50: Range max engine speed: 4500-5500 rpm: Ignition system: Cdi: ... 25: Tool kit: there is: Emergency start cord: there is: Reviews.If you’re just mixing a random batch of 2 stroke fuel (2 cycle gas), please use this simple free fuel mix calculator: Select your Fuel:Oil ratio. Click either Metric if your using litres and millilitres or US if you’re using gallons and fluid ounces. Enter the amount of straight fuel you plan to mix. Add the calculated amount of oil to the ... Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. ... 1998 Yamaha 25Hp 2 cylinder 2 stroke oil mix outboard making squeal noise just below. Collapse. X. Collapse. Posts; Latest Activity . Search. Page of 2. ... #25. 08-17-2014, 11:04 AM.Yamaha 25 Hp 2 stroke Yamaha 25 Hp 2 stroke. Superior design and engineering allows these engines to run a 100:1 pre mix oil ratio for crisp response, less smoke and odor, and smooth operation. Two Stroke Fuel Ratio Chart. How to read ratio charts: Ex. 25:1 (pronounced 25 to 1) means for every 25 parts/units of petrol you must add 1 part of oil. An easy way to work out the right amount is to take the volume of gas in mls and divide it by the ratio you want. E.g You want to mix your fuel at 40:1 and you have 8 liters of gas.25MSHP. This 1991, 25 hp Yamaha is made for saltwater. This outboard engine weighs approximately 104 pounds. It has 2 cylinders. The pistons have a 24.1 displacement. The bore width is 2.64" and the stroke length is 2.20". This model has a recoil starter and power steering. Your engine's RPM range is important in choosing the right propeller ... 25 - 2.5 hp. 25 / 20 / 15 hp 9.9 ... Yamaha outboards are manufactured to provide you with years of enjoyment. ... 2-Stroke Schedule; Your Outboard at Your Fingertips ... The engine needs 3 things to run at any rpm. Compression, timed spark ignition, and the proper ratio of fuel to air. Compression you have if the engine makes full power. ... New hi test gas with oil and fuel treatment in the gas. ... i would like to add a 25 hp yamaha 2 stroke to my 170 Lowe deep V sea nymph. it corrently has a 90 hp yamaha 2 ...There is no risk of gelling or carburetor plugging from synthetic 2-stroke oil formulated for the latest 2-stroke engines. In fact, the opposite will occur. AMSOIL 2-stroke oils like HP Marine will provide cleaner engine internals and a strong resistance to engine deposits. So yes, you can confidently use a modern 2-stroke oil in an older engine.Yamaha 25BMHS 25hp 2 Stroke Outboard Engine Short Shaft. $2,000.00 $1,550.00. Yamaha 25BMHS 25hp 2 Stroke Outboard Engine Short Shaft. Control type: Tiller. Starter type: Manual. Number of engine cylinders: 2. Engine cycle: 2. Engine displacement (cc): 496. Weight (kg): 56. Yamaha 25BMHS 25hp 2 Stroke Outboard Engine Short Shaft. $1,110.00. Qty: Free Shipping. Add to Cart. Description. Reviews (0) Tags: Engine characteristics. Bore x Stroke: 65 x 65.1mm / (2.56 x 2.56 in) Prop Shaft Horsepower: 25 hp at 5500 rpm: Full Throttle RPM Range: 5000 - 6000: Alternator Output at W.O.T. 16 amp: Compression Ratio: 9.3:1: Fuel Induction System: EFI: Weight † 57kg (126 lbs) - 65kg (143 lbs) Recommended Fuel: Octane 87: Recommended Engine Oil: Yamalube® 4M (See owner's manual ... Mar 05, 2015 · Ratio Gas to Oil 1 Gallon Gas 2 Gallon Gas 3 Gallon Gas 4 Gallon Gas 5 Gallon Gas; 16 to 1: 8 Oz Oil: 16 Oz Oil: 24 Oz Oil: 32 Oz Oil: 40 Oz Oil: 20 to 1: 6.4 Oz Oil: 12.8 Oz Oil: 19.2 Oz Oil: 25. ... Recommended fuel: 87 Octane. Shaft lengths available: 25", 30", and 35" (30" and 35" on F250 DEC only) Alternator output: Up to 70 amp. *Mechanical F225, F250, and F300 models remain unchanged. 4.2L V6 Offshore 225 compatible only with bolt-on digital electric steering. controls.Best 2-Stroke Oil EnduroCross #66 Ty Cullins on the 2015 Yamaha YZ125 two-stroke With two-stroke dirt bikes coming back into favor — you can buy them from Yamaha, KTM, Husqvarna, Beta, Sherco ...Two Stroke Fuel Ratio Chart. How to read ratio charts: Ex. 25:1 (pronounced 25 to 1) means for every 25 parts/units of petrol you must add 1 part of oil. An easy way to work out the right amount is to take the volume of gas in mls and divide it by the ratio you want. E.g You want to mix your fuel at 40:1 and you have 8 liters of gas.For 2-Stroke outboards that require a 50:1 premix of oil/gas we've put together the following chart to simplify the calculations. Use ONLY 2-stroke outboard motor oil with an NMMA (National Marine Manufacturer's Assoc.) certified rating of TCW3. Never use automobile motor oil in your 2-stroke outboard!25 - 2.5 hp. 25 / 20 / 15 hp 9.9 / 8 hp 6 / 4 / 2.5 hp; V MAX SHO. ... Yamaha outboards are manufactured to provide you with years of enjoyment. But high load, high-RPM operation, extreme temperatures and humidity, saltwater, sun, even long periods of non-use can all exact a heavy toll. ... 2-Stroke Schedule; Your Outboard at Your Fingertips ...What is the fuel oil ratio on a two stroke 1990 Yamaha outboard motor? A non oil injected, 1990 model, 2 stroke Yamaha outboard requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of...Explore Yamaha's extensive genuine parts & accessories. ... Mid Range Two Stroke 25 - 90HP View Model 25B. Outstanding Versatility. Key Features. 496cc Two-Cylinder; 100 to 1 Fuel Oil Ratio ... 100 to 1 Fuel Oil Ratio; 3 Year Warranty; Anti Corrosion; View Model 50H. Key Features. 698cc Three-Cylinder ...In most cases, the best ratio in larger 2-stroke outboard motors is 50:1. Smaller outboard motors may do well with a 25:1 ratio. Also, it would be better to use the oil of the company that manufactured the outboard motor. For example, if you have a Yamaha motor, make sure to use Yamaha oils for the motor.Clymer Tohatsu Outboard Shop Manual 2.5-140HP TWO- STROKE 1992-2000 £ 0.00 - £ 32.99 Select options; Clymer Yamaha Outboard Shop Manual 2-225HP TWO- STROKE 1984-1989 £ 0.00 - £ 32.99 Select options; Cylmer Mariner Outboard Shop Manual 2-220HP 1976-1989 £ 0.00 - £ 33.99 Select options; Evinrude 1970 Parts Book for 25HP Sportster for ... Buy Yamaha LUB-2STRK-R1-12 Yamalube 2R RACE 2-STROKE OIL - 1 one-quart bottle ... FREE Shipping on orders over $25 shipped by Amazon. Sold by Jorgensen Powersports and ships from Amazon Fulfillment. ... In Stock. Sold by Chrome World and ships from Amazon Fulfillment. Maxima Racing Oils 10920 Quick-2-Mix Oil/Gas Ratio Mixing Bottle - 20 oz ...2. Quicksilver Premium Plus Two-Cycle TC-W3 Oil. 3. Pennzoil Marine Premium Plus Outboard 2 Cycle Oil. 4. Evinrude Johnson E-TEC XD 100 Synthetic Formula 2. 5. YAMAHA Yamalube 2M Marine 2-Stroke Oil. 6.If you’re just mixing a random batch of 2 stroke fuel (2 cycle gas), please use this simple free fuel mix calculator: Select your Fuel:Oil ratio. Click either Metric if your using litres and millilitres or US if you’re using gallons and fluid ounces. Enter the amount of straight fuel you plan to mix. Add the calculated amount of oil to the ... Yamaha 25BMHS 25hp 2 Stroke Outboard Engine Short Shaft. $1,110.00. Qty: Free Shipping. Add to Cart. Description. Reviews (0) Tags: Engine characteristics. Benefits of Using 2 Stroke Engine Oil. 2 Stroke oil also known as two-cycle oil is a special type of oil intended for use in a crankcase compression two-stroke engines. A two-stroke engine uses the crankcase as part of the induction tract, and therefore, the oil must be mixed with gasoline to be distributed throughout the engine for lubrication. Engine Type 150 HP 2-STROKE. Lubrication Precision Blend Oil Injection. Fuelinduction Carb Loop Charged. Starter Electric. Ignition CDI/Computer. Alternator 25A. Shaftlength 25/635 (in/mm) Gear Ratio 1.86:1. Rated Speed 4500 r/min.Looking at the manual for a 1989 Yamaha 15hp 2-stroke, it says 25:1 during break-in and 100:1 after break-in for normal use. The motor has a 100:1 decal right on the front of it. And, no, 100:1 means LESS oil...1 part oil to 100 parts gas. On my mixing chart on the wall of my garage, that means 8 ounces (1/2 pint) of oil per 6 gallon tank of ...JET DRIVE PUMP 2005 & OLDER 2-STROKE; JET DRIVE PUMP 2006 & NEWER 4-STROKE ... Yamaha Yamalube 4M Engine Oil Yamaha Standard 3-Year Warranty *** Does not include fuel tank. ... Bore x Stroke. 65 x 65.1mm (2.554 x 2.558 in) Prop Shaft Horsepower. 25hp @ 5500rpm. Compression Ratio. 9.3:1. Fuel Induction. SOHC (2 Valves Per Cylinder) Exhaust ...YAMAHA 25 HP 2-STROKE 25 HP Model: 25HP Brand: Yamaha [Product Type ... Gear Ratio 2.08:1 Rated Speed 5000 r/min Displacement 395 cm 3 (0.40L, 24.10in 3) ... -based supplier Mystik informs that its lubricants will now be available in a wider range of 4-cycle FC-W marine engine oil viscosity grades, including full synthetics 10W-30 and 10W-40 as ...Premium 2-Cycle Outboard Oil. Protects and helps extend the life of small horsepower, outboard engines. Continued use of this oil also helps: Prevent corrosion of internal components. Maintain peak engine performance and reliability. This all weather formula provides protection in temperatures down to -13°F (-25° C).Inner Peace by Mike Chino https://soundcloud.com/mike-chino Creative Commons — Attribution-ShareAlike 3.0 Unported — CC BY-SA 3.0 http://creativecommons.org/... 25 / 20 / 15 hp 9.9 / 8 hp 6 / 4 / 2.5 hp; V MAX SHO. ... Use caution when filling or adding oil. Yamaha 4-stroke outboards have a tapered oil sump design (smaller at ... OEM Yamaha 2002-2019 F200/F225/F250 HP 4 - Stroke 3.3L 25" RH Lower Unit, 69J C $274.01 shipping YAMAHA genuine LF115 Lower Unit 4 Stroke 2000. At just 260 pounds, the new F70 is the lightest motor in the class, weighing less than even the 320-pound two- stroke Evinrude E-TEC 75. ... 4 Stroke Outboard Oil Pressure Problem. My outboard survey ...1989 Yamaha 175 Precision Blend Model 175ETXF 25" shaft This is the best early model carburated 2 stroke motor you can find. ... Runs 87 octane fuel and low grade 2 stroke oil (no expensive 92 octane fuel and expensive synthetic oil required). This motor is a mule! ... Settled on a 200HP (seemed to be best weight to power ratio). Evaluated ...The ratio used should be the one suggested on the label of the chosen oil. Vintage snowmobiles and motorcycles from that era suggested premix ratios ranging from 20:1 to 40:1. Conventional 2-stroke oils from the 70’s would have a fraction of the film strength of today’s sophisticated synthetic 2-stroke oils. Anyone who rode snowmobiles back ... When mixing 2 stroke (2 cycle) fuel the mixture is expressed as a ratio of fuel to oil. For example to mix 50:1 you use 50 parts fuel to 1 part oil, which equals one litre of fuel to 20 millilitres of oil or 1 gallon of fuel to 2.56 fluid ounces of oil. For detailed instructions on what you need and how to mix a batch are here. LIT-18616-02-66 Service Repair Manual Application: 2004 2005 2006 Yamaha Marine Outboard 70HP (70-HP) 2-Stroke Engines. Model name 70BETO, USA and Canada name 70TR 70C (70-C). LIT-18616-02-66 Service Repair Manual Application: 2004 2005 2006 Yamaha Marine Outboard 90HP (90-HP) 2-Stroke Engines. Model name 90AETO, USA and Canada name 90TR 90C ...Features 496cc Two-Cylinder Trusted two-cylinder two-stroke design is durable, powerful and extremely reliable. 100 to 1 Fuel Oil Ratio Superior manufacturing techniques allow a leaner oil mixture, reducing smoke, odour and engine carbon build-ups while also reducing oil consumption and running costs. 3 Year WarrantyUltra-smooth 4-cylinder refinement - with EFI. Whether strokes or cylinders, Yamaha understands the power of Four! Which is how the world's pioneer in 4-stroke technology has brouRatio Gas to Oil 1 Gallon Gas 2 Gallon Gas 3 Gallon Gas 4 Gallon Gas 5 Gallon Gas; 16 to 1: 8 Oz Oil: 16 Oz Oil: 24 Oz Oil: 32 Oz Oil: 40 Oz Oil: 20 to 1: 6.4 Oz Oil: 12.8 Oz Oil: 19.2 Oz Oil: 25. ...25 L. 500 ml. 250 ml. 30 L. 600 ml. 300 ml. Please note that the recommended oil for two strokes is TCW-3 outboard oil, the present cost being around £9.00 a Litre. For more information please call: 01475 744 555. If you’re just mixing a random batch of 2 stroke fuel (2 cycle gas), please use this simple free fuel mix calculator: Select your Fuel:Oil ratio. Click either Metric if your using litres and millilitres or US if you’re using gallons and fluid ounces. Enter the amount of straight fuel you plan to mix. Add the calculated amount of oil to the ... Yamaha 25BWCS 25hp 2 Stroke quantity. Add to cart. Compare. Add to wishlist. ... Compression ratio: 6.2: Power (hp) 25: Bore x Stroke (mm) 72 x 61: Range max. engine speed: 4500-5500 rpm: Ignition system ... Max. fuel consumption (l / h) 10.7: Lubrication system: premixing: Fuel-oil ratio: 50: 1: Alternator: 6 A: Starter: manual and electric ...The ratio used should be the one suggested on the label of the chosen oil. Vintage snowmobiles and motorcycles from that era suggested premix ratios ranging from 20:1 to 40:1. Conventional 2-stroke oils from the 70’s would have a fraction of the film strength of today’s sophisticated synthetic 2-stroke oils. Anyone who rode snowmobiles back ... A number of fuel ratios may be used, e.g., 24:1, 32:1, 40:1, 50:1, etc. The ratio tells you the quantity of fresh standard unleaded gasoline (10% ethanol or lower) is needed for a specific quantity of oil. Step 2: Mixing should take place in a fuel can, not inside the tank. Step 3: Once you have mixed the fuel, pour it into the tank and you're ... BORE x STROKE: 65 x 65.1mm / (2.56 x 2.56 in) PROP SHAFT HORSEPOWER: 25 HP at 5500 RPM FULL THROTTLE RPM RANGE: 5000 - 6000 RPM ALTERNATOR OUTPUT at W.O.T.: 16 Amp COMPRESSION RATIO: 9.3:1 FUEL INDUCTION SYSTEM: EFI WEIGHT: 126 lbs (57 kg) / 143 lbs (65 kg) RECOMMENDED FUEL: Octane 87 RECOMMENDED ENGINE OIL: Yamalube 4M (See Owner's Manual) Yamaha 3BMHS 3hp 2 Stroke Outboard Engine Short Shaft $ 600.00 $ 400.00 Add to cart; Sale! Yamaha 9.9GMHS 9.9hp 2 Stroke Outboard Engine Short Shaft $ $ 950.00 Add to cart; Sale! Yamaha 8 FMHS 8hp 2 Stroke Outboard Engine Short Shaft SeaArk Marine, Inc. has delivered a 30-ft Enforcer Series all-welded aluminum fire/rescue boat to the Guntersville, Ala. Fire Department. The boat features a modified vee, constant deadrise hull that produces a smooth, dry and stable ride. YAMAHA 25 HP 2-STROKE 25 HP vs 2SI 230L-25 25.1HP. YAMAHA 25 HP 2-STROKE 25 HP vs HONDA 30 HP 4-STROKE 30 HP. We all need to mix our gas and oil...unless your sled does that for you which makes you weak. Instead try mixing your own oil and fuel..it's called PREMIXIN...25MSHP. This 1991, 25 hp Yamaha is made for saltwater. This outboard engine weighs approximately 104 pounds. It has 2 cylinders. The pistons have a 24.1 displacement. The bore width is 2.64" and the stroke length is 2.20". This model has a recoil starter and power steering. Your engine's RPM range is important in choosing the right propeller ...25 - 2.5 hp. 25 / 20 / 15 hp 9.9 / 8 hp 6 / 4 / 2.5 hp; V MAX SHO. ... Yamaha outboards are manufactured to provide you with years of enjoyment. But high load, high-RPM operation, extreme temperatures and humidity, saltwater, sun, even long periods of non-use can all exact a heavy toll. ... 2-Stroke Schedule; Your Outboard at Your Fingertips ...Looking at the manual for a 1989 Yamaha 15hp 2-stroke, it says 25:1 during break-in and 100:1 after break-in for normal use. The motor has a 100:1 decal right on the front of it. And, no, 100:1 means LESS oil...1 part oil to 100 parts gas. On my mixing chart on the wall of my garage, that means 8 ounces (1/2 pint) of oil per 6 gallon tank of ...There is no risk of gelling or carburetor plugging from synthetic 2-stroke oil formulated for the latest 2-stroke engines. In fact, the opposite will occur. AMSOIL 2-stroke oils like HP Marine will provide cleaner engine internals and a strong resistance to engine deposits. So yes, you can confidently use a modern 2-stroke oil in an older engine.Yamaha 3BMHS 3hp 2 Stroke Outboard Engine Short Shaft $ 600.00 $ 400.00 Add to cart; Sale! Yamaha 9.9GMHS 9.9hp 2 Stroke Outboard Engine Short Shaft $ $ 950.00 Add to cart; Sale! Yamaha 8 FMHS 8hp 2 Stroke Outboard Engine Short Shaft Explore Yamaha's extensive genuine parts & accessories. ... Mid Range Two Stroke 25 - 90HP View Model 25B. Outstanding Versatility. Key Features. 496cc Two-Cylinder; 100 to 1 Fuel Oil Ratio ... 100 to 1 Fuel Oil Ratio; 3 Year Warranty; Anti Corrosion; View Model 50H. Key Features. 698cc Three-Cylinder ...We all need to mix our gas and oil...unless your sled does that for you which makes you weak. Instead try mixing your own oil and fuel..it's called PREMIXIN...100:1 - Mix 50ml of oil per 5ltrs of fuel. Recommended by Yamaha and Suzuki for most of their small two stroke engines up to about 30hp, this ratio requires the least amount of TCW3 two stroke oil. The result of using this ratio (less oil) is reduced spark plug fouling and less smoke. For older Suzuki outboards, pre-1997, I'd recommend running ...Seloc Yamaha 2-Stroke Outboards 1997-2009 Repair Manual £ 0.00 - £ 38.99 Select options; Seloc Yamaha Mercury and Mariner 4-Stroke Outboard Repair Manual £ 0.00 - £ 39.99 Select options; Yamaha Outboard Owners Manual 4HP 5HP 1980 £ 0.00 - £ 16.99 Select options; Yamaha Outboard Owners Manual for 50G 60F 70B 75C 80A 90A 1996 £ 0.00 ...Yamaha's 432-cc 25-hp portable outboard sports a new, streamlined, portable design and class-leading power-to-weight. In fact, it's the lightest 25-hp outboard on the water—two-stroke or four-stroke. While its streamlined design is 25 percent lighter, it still packs exciting features like battery-less EFI. Pull-start models can now take advantage of this feature, plus the system is designed ... 2-cylinder 2-step: Working volume (cubic cm) 496: Compression ratio: 6.2: Power (hp) 25: Bore x Stroke (mm) 72 x 61: Range max. engine speed: 4500-5500 rpm: Ignition system: CDI: Blowing: simultaneous charging: Supply system: 1 carburetor: Fuel tank (l) 24: Max. fuel consumption (l / h) 10.7: Lubrication system: premixing: Fuel-oil ratio: 50: 1 ... 2 Cylinders Bore x Stroke 2.56 x 2.56 in. (65 x 65.1 mm) Displacement 432 cc Starting Electric Dimensions Shaft Length 20 in. Weight 143 lb. (65 kg) General Propshaft Horsepower 25 HP at 5500 RPM Full Throttle Operating Range 5000 - 6000 RPM Gear Ratio / Shift 2.00:1 / Forward, Neutral, Reverse Fuel Induction EFI Alternator 16 amp2. Use our 2 stroke fuel calculator and type in the two stroke fuel ratio you need to make and the number of litres of petrol you have. 3. The calculator will calculate the millilitres of 2 stroke oil you need. 4. Add 2 stroke oil to your petrol and shake it before adding it to your fuel tank.Yamaha 25BMHS 25hp 2 Stroke Outboard Engine Short Shaft. $2,000.00 $1,550.00. Yamaha 25BMHS 25hp 2 Stroke Outboard Engine Short Shaft. Control type: Tiller. Starter type: Manual. Number of engine cylinders: 2. Engine cycle: 2. Engine displacement (cc): 496. Weight (kg): 56. Benefits of Using 2 Stroke Engine Oil. 2 Stroke oil also known as two-cycle oil is a special type of oil intended for use in a crankcase compression two-stroke engines. A two-stroke engine uses the crankcase as part of the induction tract, and therefore, the oil must be mixed with gasoline to be distributed throughout the engine for lubrication. Feb 13, 2016 · 2 stroke 8 hp Yamaha outboard. Motor starts easily but stalls when put in gear. New hi test gas with oil and fuel treatment in the gas. Motor sat upright indoors for 3 years without being used. Motor … read more 2022 Yamaha 30DMHOL 30hp 2 Stroke Outboard motors sale-Long Shaft with 6 years warranty,factory price and shipping free worldwide. ... Suzuki 4 Stroke 225hp Outboard Motors Sale-25'' shaft DF225TXW Save: 41% off. Reviews . What a sexy day. ... Compression ratio - 7. Weight - 60, kg. Ignition - CDI. Gear Ratio - 1.85: 1.Yamaha's 432-cc 25-hp portable outboard sports a new, streamlined, portable design and class-leading power-to-weight. In fact, it's the lightest 25-hp outboard on the water—two-stroke or four-stroke. While its streamlined design is 25 percent lighter, it still packs exciting features like battery-less EFI. Pull-start models can now take advantage of this feature, plus the system is designed ... Fuel/oil ratio: 50:1 (50 parts fuel to 1 part oil) Oil requirement: - Certified TC-W3 2-Stroke Outboard Oil. - Quicksilver Premium 2-Cycle TC-W3 Outboard Oil. - Quicksilver Premium Plus 2-Cycle TC-W3 Outboard Oil. 2-stroke oil is normally added to the fuel tank when filling with fuel. This convenient oil measuring bottle is great for ...May 11, 2012 · The fuel to oil ratio for a 2000 model, 15 hp Yamaha outboard would be 50:1. Roughly 1 pint of 2 cycle oil to 6 gallons of fuel. What is the proper fuel mix ration for a 75 hp 2-stroke Yamaha ... Here you can buy a Yamaha 15 FMHS 15hp 2 Stroke Outboard Engine Short Shaft with a manual starter and tiller control at a low price. ... Compression ratio: 6.8: Power (hp) fifteen: Bore x stroke (mm) 56 x 50: Range max engine speed: 4500-5500 rpm: Ignition system: Cdi: ... 25: Tool kit: there is: Emergency start cord:Bore x Stroke: 65 x 65.1mm / (2.56 x 2.56 in) Prop Shaft Horsepower: 25 hp at 5500 rpm: Full Throttle RPM Range: 5000 - 6000: Alternator Output at W.O.T. 16 amp: Compression Ratio: 9.3:1: Fuel Induction System: EFI: Weight † 57kg (126 lbs) - 65kg (143 lbs) Recommended Fuel: Octane 87: Recommended Engine Oil: Yamalube® 4M (See owner's manual ... HP Marine Synthetic 2-Stroke Oil. HP = high performance. Advanced formulation delivers increased lubricity to fight piston and cylinder wear, even during lean-mix operation. Potent detergents help prevent piston-ring and exhaust-port deposits despite high-stress, all-day operation. Low-smoke, low-odor formulation also provides low aquatic toxicity. 2 Stroke Outboard Fuel Mix Ratio 50:1 100:1? Finding the right mix for your outboard. 2 stroke fuel oil mix chart In this guide we step through the why it's vital to get the right 2 stroke fuel oil mix and some methods to work out which ratio to use for your outboard. Finishing with tips on how to mix two stroke efficiently and safely. 40-25ps Two Strokes. Main specifications of the 40 to 25 horsepower two strokes. 40V. 40X. 30H. 25B. Yamaha 25 Hp 2 stroke. Superior design and engineering allows these engines to run a 100:1 pre mix oil ratio for crisp response, less smoke and odor, and smooth operation. Add to cart. Quick View Compare. Compare. Yamaha 25 HP 4 Stroke $ Yamaha 25 HP 4 Stroke ...40-25ps Two Strokes. Main specifications of the 40 to 25 horsepower two strokes. 40V. 40X. 30H. 25B.The LB series comes with a price of around $8400 to $8700. The XB series ranges from $8500 to $8700. The FH150XCA has a price of around $9253. The latest model is the 2022 Yamaha In-Line 4 150HP. This one is available at a 20 to a 25-inch shaft. Some of you may think that Yamaha outboard motor comes at a higher price tag.Ratio Gas to Oil 1 Gallon Gas 2 Gallon Gas 3 Gallon Gas 4 Gallon Gas 5 Gallon Gas; 16 to 1: 8 Oz Oil: 16 Oz Oil: 24 Oz Oil: 32 Oz Oil: 40 Oz Oil: 20 to 1: 6.4 Oz Oil: 12.8 Oz Oil: 19.2 Oz Oil: 25. ...When mixing 2 stroke (2 cycle) fuel the mixture is expressed as a ratio of fuel to oil. For example to mix 50:1 you use 50 parts fuel to 1 part oil, which equals one litre of fuel to 20 millilitres of oil or 1 gallon of fuel to 2.56 fluid ounces of oil. For detailed instructions on what you need and how to mix a batch are here.The ratio used should be the one suggested on the label of the chosen oil. Vintage snowmobiles and motorcycles from that era suggested premix ratios ranging from 20:1 to 40:1. Conventional 2-stroke oils from the 70’s would have a fraction of the film strength of today’s sophisticated synthetic 2-stroke oils. Anyone who rode snowmobiles back ... 50:1 2 Stroke Fuel Mix Chart. Fifty to one (50:1) is one of the easiest 2 stroke ratios to calculate, you simply multiply the litre amount by 2 and add a zero. To make it easier you can use the following old school reference chart.Here you can buy a Yamaha 9.9 hp 2 Stroke Outboard Engine Short Shaft with a manual starter and tiller control at a low price. ... Compression ratio: 6.8: Power (hp) 9.9: Bore x stroke (mm) 56 x 50: Range max engine speed: 4500-5500 rpm ... Lubrication system: premixing: The proportion of the fuel-oil mixture: 50: 1: Alternator: 6A, 80 W: Gear ...Nov 01, 2009 · The fuel / oil ratio for the 1997 model, 25 hp. Mercury outboard, would be 50:1, this is roughly one pint of 2 cycle oil, to six gallons of fuel. Is a Force 25hp outboard motor four stroke? JET DRIVE PUMP 2005 & OLDER 2-STROKE; JET DRIVE PUMP 2006 & NEWER 4-STROKE ... Yamaha Yamalube 4M Engine Oil Yamaha Standard 3-Year Warranty *** Does not include fuel tank. ... Bore x Stroke. 65 x 65.1mm (2.554 x 2.558 in) Prop Shaft Horsepower. 25hp @ 5500rpm. Compression Ratio. 9.3:1. Fuel Induction. SOHC (2 Valves Per Cylinder) Exhaust ...Feb 07, 2007 · I just bought a brand new yamaha 25hp 2-stroke tiller short shaft and I wanted to know how much oil u put in a 6.5 gallons tank. The gasoline and oil chart said 6.3 gallons to have 1.01 guart in the fuel tank on 100:0 ratio oil? So that mean put one guart of oil in 6.5 gallons of fuel? I need help to make sure for breakin period. This 25 horsepower Yamaha outboard, manufactured in 1994, is a saltwater model. The engine weight is recorded at 115 lbs. This is a 2 cylinder model. The displacement for the pistons is 26.24. The bore for this outboard is 2.64 inches and the stroke is 2.40 inches. This engine has power steering and a electric-type starter. Serial Number: SApr 06, 2012 · A non oil injected, 1990 model, 2 stroke Yamaha outboard requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel. Yamaha 25 Hp 2 stroke $ 2,989.00 Yamaha 25 Hp 2 stroke. Superior design and engineering allows these engines to run a 100:1 pre mix oil ratio for crisp response, less smoke and odor, and smooth operation. + - Add to cart Compare Description Yamaha 25 Hp 2 stroke Engine Type2-Stroke, In-line 2 Bore x Stroke (mm)72 x 61 Fuel Tank Capacity (l)24.0Two-stroke Mix Ratio Chart Fuel / Oil Ratio mls per 1 Litre of fuel mls per 5 Litres of fuel mls per 10 Litres of fuel mls per 20 Litres of fuel 5:1 200 1000 2000 4000 10:1 100 500 1000 2000 15:1 67 333 667 1333 16:1 63 313 625 1250 20:1 50 250 500 1000 25:1 40 200 400 800 30:1 33 167 333 667 33:1 30 152 303 606 Early premature wear, esp. if you do a lot of shallow water work, or you leave your motor in neutral while trailering (spinning prop dry rubs your impeller in the housing). Check your pisser strength. If it's low, I'd overhaul the water pump. I'd also check the compression next. June 6th, 2015, 06:46 AM #4. Wahoo.Compression ratio: 6.2 Power (hp): 25 Bore x Stroke (mm): 72 x 61 Range max. engine speed: 4500-5500 rpm Ignition system: CDI Blowing: simultaneous charging Supply system: 1 carburetor Fuel tank (l): 24 Max. fuel consumption (l / h): 10.7 Lubrication system: premixing Fuel-oil ratio: 50: 1 Starter: manual Control system: tiller Gear: shifting ...A number of fuel ratios may be used, e.g., 24:1, 32:1, 40:1, 50:1, etc. The ratio tells you the quantity of fresh standard unleaded gasoline (10% ethanol or lower) is needed for a specific quantity of oil. Step 2: Mixing should take place in a fuel can, not inside the tank. Step 3: Once you have mixed the fuel, pour it into the tank and you're ... A number of fuel ratios may be used, e.g., 24:1, 32:1, 40:1, 50:1, etc. The ratio tells you the quantity of fresh standard unleaded gasoline (10% ethanol or lower) is needed for a specific quantity of oil. Step 2: Mixing should take place in a fuel can, not inside the tank. Step 3: Once you have mixed the fuel, pour it into the tank and you're ...What is the fuel oil ratio on a two stroke 1990 Yamaha outboard motor? A non oil injected, 1990 model, 2 stroke Yamaha outboard requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of...Many of the major manufacturers like Yamaha, Evinrude/Johson and Mariner publish 2 stroke fuel oil mix charts in litres and fluid ounces. Many also have online search tools where you can enter your outboards make and model or serial number to get the right mix chart. Method 4. Perform an online search/forumsTwo-Stroke Fuel/Oil Mix Ratio Chart. Having the correct ratio of two-stroke oil added to your fuel is important if you want to maximise the life and performance of your machines. Our fuel/oil mix ratio chart takes all the guess work out of the process. Yamaha 25BMHS 25hp 2 Stroke Outboard Engine Short Shaft. $2,000.00 $1,550.00. Yamaha 25BMHS 25hp 2 Stroke Outboard Engine Short Shaft. Control type: Tiller. Starter type: Manual. Number of engine cylinders: 2. Engine cycle: 2. Engine displacement (cc): 496. Weight (kg): 56. The ratio used should be the one suggested on the label of the chosen oil. Vintage snowmobiles and motorcycles from that era suggested premix ratios ranging from 20:1 to 40:1. Conventional 2-stroke oils from the 70’s would have a fraction of the film strength of today’s sophisticated synthetic 2-stroke oils. Anyone who rode snowmobiles back ... Premium 2-Cycle Outboard Oil. Protects and helps extend the life of small horsepower, outboard engines. Continued use of this oil also helps: Prevent corrosion of internal components. Maintain peak engine performance and reliability. This all weather formula provides protection in temperatures down to -13°F (-25° C).25 - 2.5 hp. 25 / 20 / 15 hp 9.9 ... Yamaha outboards are manufactured to provide you with years of enjoyment. ... 2-Stroke Schedule; Your Outboard at Your Fingertips ... 100:1 - Mix 50ml of oil per 5ltrs of fuel. Recommended by Yamaha and Suzuki for most of their small two stroke engines up to about 30hp, this ratio requires the least amount of TCW3 two stroke oil. The result of using this ratio (less oil) is reduced spark plug fouling and less smoke. For older Suzuki outboards, pre-1997, I'd recommend running ...Ready Stock Yamaha 25BMHS 25hp 2 Stroke Outboard Engine , Warranty , Free Shipping , Best Price , ... Compression ratio: 6.2: Power (hp) 25: Bore x Stroke (mm) 72 x 61: Range max. engine speed: 4500-5500 rpm ... 10.7: Lubrication system: premixing: Fuel-oil ratio: 50: 1: Starter: manual: Control system: tiller: Gear shifting mechanism: FNR ...Two-Stroke Fuel/Oil Mix Ratio Chart Having the correct ratio of two-stroke oil added to your fuel is important if you want to maximise the life and performance of your machines. Our fuel/oil mix ratio chart takes all the guess work out of the process. Download Document Two-Stroke Fuel/Oil Mix Ratio Chart Two Stroke Mix Ratio (222KB PDF)Yamaha Outboard Fuel Consumption chart : Yamaha 25 hp 2.50 GPH | Yamaha 50 hp 4.90 GPH | Yamaha 70 hp 2-stroke 7.30 GPH | Yamaha 90 hp 9.10 GPH | Yamaha 115 hp 9.70 GPH | Yamaha 150 hp 15.5 GPH | Yamaha 175a hp 16.3 GPH | Yamaha 200 hp VMAX / HPDI 19.2 GPH | Yamaha 225 hp 17.7 GPH | Yamaha 250 hp 23.8 GPH | Yamaha 300 hp 26.0 GPH | Yamaha 350 hp 34.1 GPH | Yamaha 425 XTO 36.8 GPH |Portable ...Yamaha 25BMHS 25hp 2 Stroke Outboard Engine Short Shaft. $2,000.00 $1,550.00. Yamaha 25BMHS 25hp 2 Stroke Outboard Engine Short Shaft. Control type: Tiller. Starter type: Manual. Number of engine cylinders: 2. Engine cycle: 2. Engine displacement (cc): 496. Weight (kg): 56. Outboard Petrol 2 stroke Engine with 2 cylinders. Specifications: Type: Yamaha N25. Displacement: 395 cm3. Bore x Stroke: 67 x 56 mm. Propeller shaft output: 18.4 kW. Full throttle RPM Range: 5000-6000 rmp. Carburation: 2 Scavenging: Loop-charged. Lubrication system: Oil Injection.2-cylinder 2-step: Working volume (cubic cm) 496: Compression ratio: 6.2: Power (hp) 25: Bore x Stroke (mm) 72 x 61: Range max. engine speed: 4500-5500 rpm: Ignition system: CDI: Blowing: simultaneous charging: Supply system: 1 carburetor: Fuel tank (l) 24: Max. fuel consumption (l / h) 10.7: Lubrication system: premixing: Fuel-oil ratio: 50: 1 ... Two-Stroke Fuel/Oil Mix Ratio Chart. Having the correct ratio of two-stroke oil added to your fuel is important if you want to maximise the life and performance of your machines. Our fuel/oil mix ratio chart takes all the guess work out of the process. Feb 13, 2016 · 2 stroke 8 hp Yamaha outboard. Motor starts easily but stalls when put in gear. New hi test gas with oil and fuel treatment in the gas. Motor sat upright indoors for 3 years without being used. Motor … read more A number of fuel ratios may be used, e.g., 24:1, 32:1, 40:1, 50:1, etc. The ratio tells you the quantity of fresh standard unleaded gasoline (10% ethanol or lower) is needed for a specific quantity of oil. Step 2: Mixing should take place in a fuel can, not inside the tank. Step 3: Once you have mixed the fuel, pour it into the tank and you're ... Yamaha 25BWCS 25hp 2 Stroke quantity. Add to cart. ... Shipping & Delivery; Specs; Description. Engine characteristics: 2-cylinder 2-step: Working volume (cubic cm) 496: Compression ratio: 6.2: Power (hp) 25: Bore x Stroke (mm) 72 x 61: Range max. engine speed ... Max. fuel consumption (l / h) 10.7: Lubrication system: premixing: Fuel-oil ratio ...This 25 horsepower Yamaha outboard, manufactured in 1994, is a saltwater model. The engine weight is recorded at 115 lbs. This is a 2 cylinder model. The displacement for the pistons is 26.24. The bore for this outboard is 2.64 inches and the stroke is 2.40 inches. This engine has power steering and a electric-type starter. Serial Number: SIf you’re just mixing a random batch of 2 stroke fuel (2 cycle gas), please use this simple free fuel mix calculator: Select your Fuel:Oil ratio. Click either Metric if your using litres and millilitres or US if you’re using gallons and fluid ounces. Enter the amount of straight fuel you plan to mix. Add the calculated amount of oil to the ... Yamaha 25 Hp 2 stroke. Superior design and engineering allows these engines to run a 100:1 pre mix oil ratio for crisp response, less smoke and odor, and smooth operation. Add to cart. Quick View Compare. Compare. Yamaha 25 HP 4 Stroke $ Yamaha 25 HP 4 Stroke ...Inner Peace by Mike Chino https://soundcloud.com/mike-chino Creative Commons — Attribution-ShareAlike 3.0 Unported — CC BY-SA 3.0 http://creativecommons.org/...May 11, 2012 · The fuel to oil ratio for a 2000 model, 15 hp Yamaha outboard would be 50:1. Roughly 1 pint of 2 cycle oil to 6 gallons of fuel. What is the proper fuel mix ration for a 75 hp 2-stroke Yamaha ... Yamaha Outboard Fuel Filter, 90 4 Stroke Outboard, 40 ... Outboard Inline | Inline Fuel Filter. $60.25 DRIVESHAFT HOUSING 5239A 4 FOR 1978 MERCURY 85HP INLINE 4 CYL OUTBOARD MOTOR $96.00 USED SWIVEL BRACKET 5597A 2 FOR 1978 MERCURY 85HP ... outboard in line bayliner wellcraft ... Mercury 25 Hp Outboard Fuel Oil Ratio - Free Books In PDF ...Two-stroke Mix Ratio Chart Fuel / Oil Ratio mls per 1 Litre of fuel mls per 5 Litres of fuel mls per 10 Litres of fuel mls per 20 Litres of fuel 5:1 200 1000 2000 4000 10:1 100 500 1000 2000 15:1 67 333 667 1333 16:1 63 313 625 1250 20:1 50 250 500 1000 25:1 40 200 400 800 30:1 33 167 333 667 33:1 30 152 303 606 Early premature wear, esp. if you do a lot of shallow water work, or you leave your motor in neutral while trailering (spinning prop dry rubs your impeller in the housing). Check your pisser strength. If it's low, I'd overhaul the water pump. I'd also check the compression next. June 6th, 2015, 06:46 AM #4. Wahoo.Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. ... 1998 Yamaha 25Hp 2 cylinder 2 stroke oil mix outboard making squeal noise just below. Collapse. X. Collapse. Posts; Latest Activity . Search. Page of 2. ... #25. 08-17-2014, 11:04 AM.In most cases, the best ratio in larger 2-stroke outboard motors is 50:1. Smaller outboard motors may do well with a 25:1 ratio. Also, it would be better to use the oil of the company that manufactured the outboard motor. For example, if you have a Yamaha motor, make sure to use Yamaha oils for the motor.The fuel to oil ratio for a 2000 model, 15 hp Yamaha outboard would be 50:1. Roughly 1 pint of 2 cycle oil to 6 gallons of fuel. What is the proper fuel mix ration for a 75 hp 2-stroke Yamaha ... 2 cyl: Displacement: 432cc: Bore x Stroke: 65 x 65.1mm / (2.56 x 2.56 in) Prop Shaft Horsepower: 25 hp at 5500 rpm: Full Throttle RPM Range: 5000 - 6000: Alternator Output at W.O.T. 16 amp: Compression Ratio: 9.3:1: Fuel Induction System: EFI: Weight* 57kg (126 lbs) - 65kg (143 lbs) Recommended Fuel: Octane 87: Recommended Engine Oil: Yamalube ...Looking at the manual for a 1989 Yamaha 15hp 2-stroke, it says 25:1 during break-in and 100:1 after break-in for normal use. The motor has a 100:1 decal right on the front of it. And, no, 100:1 means LESS oil...1 part oil to 100 parts gas. On my mixing chart on the wall of my garage, that means 8 ounces (1/2 pint) of oil per 6 gallon tank of ...Yamaha Outboard Fuel Consumption chart : Yamaha 25 hp 2.50 GPH | Yamaha 50 hp 4.90 GPH | Yamaha 70 hp 2-stroke 7.30 GPH | Yamaha 90 hp 9.10 GPH | Yamaha 115 hp 9.70 GPH | Yamaha 150 hp 15.5 GPH | Yamaha 175a hp 16.3 GPH | Yamaha 200 hp VMAX / HPDI 19.2 GPH | Yamaha 225 hp 17.7 GPH | Yamaha 250 hp 23.8 GPH | Yamaha 300 hp 26.0 GPH | Yamaha 350 hp 34.1 GPH | Yamaha 425 XTO 36.8 GPH |Portable ...2-cylinder 2-step: Working volume (cubic cm) 496: Compression ratio: 6.2: Power (hp) 25: Bore x Stroke (mm) 72 x 61: Range max. engine speed: 4500-5500 rpm: Ignition system: CDI: Blowing: simultaneous charging: Supply system: 1 carburetor: Fuel tank (l) 24: Max. fuel consumption (l / h) 10.7: Lubrication system: premixing: Fuel-oil ratio: 50: 1 ... Engine Type 150 HP 2-STROKE. Lubrication Precision Blend Oil Injection. Fuelinduction Carb Loop Charged. Starter Electric. Ignition CDI/Computer. Alternator 25A. Shaftlength 25/635 (in/mm) Gear Ratio 1.86:1. Rated Speed 4500 r/min.Find Yamaha 25 Hp in Boats & Watercraft | Boats for sale! ... many 2 stroke outboards for sale . 110 johnson 20 inch shaft rebuilt 4500.00 .. 90 evinrude ficht ,oil and fuel injected , 20 inch shaft 6000.00 .. 8 hp johnson 1300.00 . 9.9 yamaha 4 stroke 25 inch shaft .. 175 johnson 2 stroke rebuilt 20 inch shaft 5500.00 . 70 hp johnson 2 stroke ...20,066 Nov 15, 2009 #5 Re: 1998 25 hp Yamaha Oil/gas not quite correct on that OMC bulliten. the bulliten stated basically that while 100to 1 provided adequate lubrication for running it was inadequate to proted the shiny parts inside the engine and rust and corrosion could form in as little as 30 days,Jun 28, 2014 · 1998 Yamaha 25Hp 2 cylinder 2 stroke oil mix outboard making squeal noise just below. Collapse. X. Collapse. Posts; Latest Activity . Search. ... #25. 08-17-2014, 11: ... Re: 50:1 or 100:1 for 2 stroke 30hp Yamaha. I run my Suzuki 30hp at 50:1 even though the manual states 100:1. The trouble with these and similar motors is that they don't get enough oil near full throttle with 100:1. So if you want you motor to last a long time without a rebuild then I'd use 50:1 - you won't notice any ill effects by the way.Two-stroke Mix Ratio Chart Fuel / Oil Ratio mls per 1 Litre of fuel mls per 5 Litres of fuel mls per 10 Litres of fuel mls per 20 Litres of fuel 5:1 200 1000 2000 4000 10:1 100 500 1000 2000 15:1 67 333 667 1333 16:1 63 313 625 1250 20:1 50 250 500 1000 25:1 40 200 400 800 30:1 33 167 333 667 33:1 30 152 303 606 25 - 2.5 hp. 25 / 20 / 15 hp 9.9 / 8 hp 6 / 4 / 2.5 hp; V MAX SHO. V6 4.2L 250 / 225 / 200 hp In-line 4 175 / 150 / 115 / 90 hp; ... Use caution when filling or adding oil. Yamaha 4-stroke outboards have a tapered oil sump design (smaller at the top than the bottom), so the closer the oil level is to full, the faster it fills. ...THE OUTSTANDING, 25 HP PORTABLE. Yamaha’s F25 is still the lightest 25-horsepower outboard on the water—two stroke or four stroke. Its portable design and class-leading power-to-weight mean 25 horses can boldly go where they’ve never gone before. Jons. 14-foot aluminum fishing boats. If you’re just mixing a random batch of 2 stroke fuel (2 cycle gas), please use this simple free fuel mix calculator: Select your Fuel:Oil ratio. Click either Metric if your using litres and millilitres or US if you’re using gallons and fluid ounces. Enter the amount of straight fuel you plan to mix. Add the calculated amount of oil to the ... Nov 01, 2009 · The fuel / oil ratio for the 1997 model, 25 hp. Mercury outboard, would be 50:1, this is roughly one pint of 2 cycle oil, to six gallons of fuel. Is a Force 25hp outboard motor four stroke? Compression ratio 6.2 Power (hp) 25 Bore x Stroke (mm) 72 x 61 Range max. engine speed 4500-5500 rpm Ignition system CDI Blowing simultaneous charging Supply system 1 carburetor Fuel tank (l) 24 Max. fuel consumption (l / h) 10.7 Lubrication system premixing Fuel-oil ratio 50: 1 Alternator 6 A Starter manual and electric Control system remote ...Jul 17, 2022 · Yamaha High Thrust 25HP - 25" High Thrust outboard delivers the power and grip with exceptional efficiency. This newly redesigned outboard has the best power-to-weight ratio of all high-thrust 25 horsepower outboards. With the new design comes a no-battery-required Electronic Fuel Injection as well as electric and manual start on all models. The new 25hp High Thrust model comes in both 20 and ... 50H. Proven design, unmatched versatility, unbeatable value with an outstanding power to weight ratio plus world renowned reliability. There's plenty of reasons to consider Yamaha's 50H for your next boat. The proven three cylinder design with loop charged fuel intake delivers smooth, responsive and efficient power.Jun 05, 2015 · Early premature wear, esp. if you do a lot of shallow water work, or you leave your motor in neutral while trailering (spinning prop dry rubs your impeller in the housing). Check your pisser strength. If it's low, I'd overhaul the water pump. I'd also check the compression next. June 6th, 2015, 06:46 AM #4. Wahoo. 50:1 2 Stroke Fuel Mix Chart. Fifty to one (50:1) is one of the easiest 2 stroke ratios to calculate, you simply multiply the litre amount by 2 and add a zero. To make it easier you can use the following old school reference chart.The Yamaha GP1300R is one of the most famous Yamaha WaveRunners in history. The success story of the GP series started with the GP800 and GP1200 Waverunners, and continues to this day.. Just like other iconic vintage 2-stroke PWCs, like the WaveBlaster or the Sea-Doo XP, the Yamaha GPs still have a large fan base. If you're looking for a Yamaha GP1300R for sale, this post is for you.Two Stroke Fuel Ratio Chart. How to read ratio charts: Ex. 25:1 (pronounced 25 to 1) means for every 25 parts/units of petrol you must add 1 part of oil. An easy way to work out the right amount is to take the volume of gas in mls and divide it by the ratio you want. E.g You want to mix your fuel at 40:1 and you have 8 liters of gas.This is the Highly Detailed factory service repair manual for theYAMAHA OUTBOARD 8 HP 2 CYL. (165CC) 2-STROKE 1984, this Service Manual has detailed illustrations as well as step by step instructions,It is 100 percents complete and intact. they are specifically written for the do-it-yourself-er as well as the experienced mechanic.YAMAHA ...THE OUTSTANDING, 25 HP PORTABLE. Yamaha’s F25 is still the lightest 25-horsepower outboard on the water—two stroke or four stroke. Its portable design and class-leading power-to-weight mean 25 horses can boldly go where they’ve never gone before. Jons. 14-foot aluminum fishing boats. Fuel/oil ratio: 50:1 (50 parts fuel to 1 part oil) Oil requirement: - Certified TC-W3 2-Stroke Outboard Oil. - Quicksilver Premium 2-Cycle TC-W3 Outboard Oil. - Quicksilver Premium Plus 2-Cycle TC-W3 Outboard Oil. 2-stroke oil is normally added to the fuel tank when filling with fuel. This convenient oil measuring bottle is great for ...THE OUTSTANDING, 25 HP PORTABLE. Yamaha's F25 is still the lightest 25-horsepower outboard on the water—two stroke or four stroke. Its portable design and class-leading power-to-weight mean 25 horses can boldly go where they've never gone before. Jons. 14-foot aluminum fishing boats.When mixing 2 stroke (2 cycle) fuel the mixture is expressed as a ratio of fuel to oil. For example to mix 50:1 you use 50 parts fuel to 1 part oil, which equals one litre of fuel to 20 millilitres of oil or 1 gallon of fuel to 2.56 fluid ounces of oil. For detailed instructions on what you need and how to mix a batch are here. Here you can buy a Yamaha 15 FMHS 15hp 2 Stroke Outboard Engine Short Shaft with a manual starter and tiller control at a low price. ... Compression ratio: 6.8: Power (hp) fifteen: Bore x stroke (mm) 56 x 50: Range max engine speed: 4500-5500 rpm: Ignition system: Cdi: ... 25: Tool kit: there is: Emergency start cord:20,066 Nov 15, 2009 #5 Re: 1998 25 hp Yamaha Oil/gas not quite correct on that OMC bulliten. the bulliten stated basically that while 100to 1 provided adequate lubrication for running it was inadequate to proted the shiny parts inside the engine and rust and corrosion could form in as little as 30 days,2-cylinder 2-step: Working volume (cubic cm) 496: Compression ratio: 6.2: Power (hp) 25: Bore x Stroke (mm) 72 x 61: Range max. engine speed: 4500-5500 rpm: Ignition system: CDI: Blowing: simultaneous charging: Supply system: 1 carburetor: Fuel tank (l) 24: Max. fuel consumption (l / h) 10.7: Lubrication system: premixing: Fuel-oil ratio: 50: 1 ... Bore x Stroke: 65 x 65.1mm / (2.56 x 2.56 in) Prop Shaft Horsepower: 25 hp at 5500 rpm: Full Throttle RPM Range: 5000 - 6000: Alternator Output at W.O.T. 16 amp: Compression Ratio: 9.3:1: Fuel Induction System: EFI: Weight † 57kg (126 lbs) - 65kg (143 lbs) Recommended Fuel: Octane 87: Recommended Engine Oil: Yamalube® 4M (See owner's manual ... 115 hp 90 hp 75 hp. Midrange 115 hp. Our 1.8-liter I-4 F115 features a double overhead camshaft with four valves per cylinder. This increases volumetric efficiency and gives the F115 a competitive power to weight. Available for mechanical remote or tiller control. Only 377 pounds. Available in 20" or 25" shafts.Apr 06, 2012 · A non oil injected, 1990 model, 2 stroke Yamaha outboard requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel. 50H. Proven design, unmatched versatility, unbeatable value with an outstanding power to weight ratio plus world renowned reliability. There's plenty of reasons to consider Yamaha's 50H for your next boat. The proven three cylinder design with loop charged fuel intake delivers smooth, responsive and efficient power.Buy Yamaha LUB-2STRK-R1-12 Yamalube 2R RACE 2-STROKE OIL - 1 one-quart bottle ... FREE Shipping on orders over $25 shipped by Amazon. Sold by Jorgensen Powersports and ships from Amazon Fulfillment. ... In Stock. Sold by Chrome World and ships from Amazon Fulfillment. Maxima Racing Oils 10920 Quick-2-Mix Oil/Gas Ratio Mixing Bottle - 20 oz ...The fuel to oil ratio for a 2000 model, 15 hp Yamaha outboard would be 50:1. Roughly 1 pint of 2 cycle oil to 6 gallons of fuel. What is the proper fuel mix ration for a 75 hp 2-stroke Yamaha ...Aug 05, 2008 · Looking at the manual for a 1989 Yamaha 15hp 2-stroke, it says 25:1 during break-in and 100:1 after break-in for normal use. The motor has a 100:1 decal right on the front of it. And, no, 100:1 means LESS oil...1 part oil to 100 parts gas. On my mixing chart on the wall of my garage, that means 8 ounces (1/2 pint) of oil per 6 gallon tank of gas. 40-25ps Two Strokes. Main specifications of the 40 to 25 horsepower two strokes. 40V. 40X. 30H. 25B. Looking at the manual for a 1989 Yamaha 15hp 2-stroke, it says 25:1 during break-in and 100:1 after break-in for normal use. The motor has a 100:1 decal right on the front of it. And, no, 100:1 means LESS oil...1 part oil to 100 parts gas. On my mixing chart on the wall of my garage, that means 8 ounces (1/2 pint) of oil per 6 gallon tank of ...Best 2-Stroke Oil EnduroCross #66 Ty Cullins on the 2015 Yamaha YZ125 two-stroke With two-stroke dirt bikes coming back into favor — you can buy them from Yamaha, KTM, Husqvarna, Beta, Sherco ...Tohatsu recommend 25/1 for running-in 50/1 after that imho dont run on 100/1 if you want a long life from youe o/b 20 Oct 2007 #3 Cloven Active member Joined 17 Oct 2003 Messages 2,232 Location Scotland My Johnson is 50:1 20 Oct 2007 #4 Roberto Well-known member Joined 20 Jul 2001 Messages 4,368 Location Lorient/ParisThe powerhead has 2.56" bore x 2.56" stroke, displaces 432cc, and has a compression ratio of 9.3:1. The engine has an external flush port, plus built-in carry handles and rest pads. On top of that, it has Yamaha's oil-retention system that keeps things leak-free when the engine is laid down in the back of a pick-up or SUV.A number of fuel ratios may be used, e.g., 24:1, 32:1, 40:1, 50:1, etc. The ratio tells you the quantity of fresh standard unleaded gasoline (10% ethanol or lower) is needed for a specific quantity of oil. Step 2: Mixing should take place in a fuel can, not inside the tank. Step 3: Once you have mixed the fuel, pour it into the tank and you're ...40-25ps Two Strokes. Main specifications of the 40 to 25 horsepower two strokes. 40V. 40X. 30H. 25B. For 2-Stroke outboards that require a 50:1 premix of oil/gas we've put together the following chart to simplify the calculations. Use ONLY 2-stroke outboard motor oil with an NMMA (National Marine Manufacturer's Assoc.) certified rating of TCW3. Never use automobile motor oil in your 2-stroke outboard!25 L. 500 ml. 250 ml. 30 L. 600 ml. 300 ml. Please note that the recommended oil for two strokes is TCW-3 outboard oil, the present cost being around £9.00 a Litre. For more information please call: 01475 744 555.Here you can buy a Yamaha 9.9 hp 2 Stroke Outboard Engine Short Shaft with a manual starter and tiller control at a low price. ... Compression ratio: 6.8: Power (hp) 9.9: Bore x stroke (mm) 56 x 50: Range max engine speed: 4500-5500 rpm ... Lubrication system: premixing: The proportion of the fuel-oil mixture: 50: 1: Alternator: 6A, 80 W: Gear ...The powerhead has 2.56" bore x 2.56" stroke, displaces 432cc, and has a compression ratio of 9.3:1. The engine has an external flush port, plus built-in carry handles and rest pads. On top of that, it has Yamaha's oil-retention system that keeps things leak-free when the engine is laid down in the back of a pick-up or SUV.LIT-18616-02-66 Service Repair Manual Application: 2004 2005 2006 Yamaha Marine Outboard 70HP (70-HP) 2-Stroke Engines. Model name 70BETO, USA and Canada name 70TR 70C (70-C). LIT-18616-02-66 Service Repair Manual Application: 2004 2005 2006 Yamaha Marine Outboard 90HP (90-HP) 2-Stroke Engines. Model name 90AETO, USA and Canada name 90TR 90C ...20,066 Nov 15, 2009 #5 Re: 1998 25 hp Yamaha Oil/gas not quite correct on that OMC bulliten. the bulliten stated basically that while 100to 1 provided adequate lubrication for running it was inadequate to proted the shiny parts inside the engine and rust and corrosion could form in as little as 30 days,Features 496cc Two-Cylinder Trusted two-cylinder two-stroke design is durable, powerful and extremely reliable. 100 to 1 Fuel Oil Ratio Superior manufacturing techniques allow a leaner oil mixture, reducing smoke, odour and engine carbon build-ups while also reducing oil consumption and running costs. 3 Year WarrantyTwo-Stroke Fuel/Oil Mix Ratio Chart Having the correct ratio of two-stroke oil added to your fuel is important if you want to maximise the life and performance of your machines. Our fuel/oil mix ratio chart takes all the guess work out of the process. Download Document Two-Stroke Fuel/Oil Mix Ratio Chart Two Stroke Mix Ratio (222KB PDF)Bore x Stroke: 65 x 65.1mm / (2.56 x 2.56 in) Prop Shaft Horsepower: 25 hp at 5500 rpm: ... May 11, 2012 · The fuel to oil ratio for a 2000 model, 15 hp Yamaha outboard would be 50:1. Roughly 1 pint of 2 cycle oil to 6 gallons of fuel. What is the proper fuel mix ration for a 75 hp 2-stroke Yamaha ... For 2-Stroke outboards that require a 50:1 premix of oil/gas we've put together the following chart to simplify the calculations. Use ONLY 2-stroke outboard motor oil with an NMMA (National Marine Manufacturer's Assoc.) certified rating of TCW3. Never use automobile motor oil in your 2-stroke outboard!Yamaha's 432-cc 25-hp portable outboard sports a new, streamlined, portable design and class-leading power-to-weight. In fact, it's the lightest 25-hp outboard on the water—two-stroke or four-stroke. While its streamlined design is 25 percent lighter, it still packs exciting features like battery-less EFI. Pull-start models can now take advantage of this feature, plus the system is designed ...Here you can buy a Yamaha 9.9 hp 2 Stroke Outboard Engine Short Shaft with a manual starter and tiller control at a low price. ... Compression ratio: 6.8: Power (hp) 9.9: Bore x stroke (mm) 56 x 50: Range max engine speed: 4500-5500 rpm ... Lubrication system: premixing: The proportion of the fuel-oil mixture: 50: 1: Alternator: 6A, 80 W: Gear ...Ratio Gas to Oil. 1 Gallon Gas. 2 Gallons Gas. 3 Gallons Gas. 4 Gallons Gas. 5 Gallons Gas. 16 to 1. 8 Oz Oil. 16 Oz Oil. 24 Oz Oil. 32 Oz Oil. 40 Oz Oil. 20 to 1. 6.4 Oz Oil. 12.8 OzYamaha made a bike that looked small enough to slip down the chimney but still keep up on the trail Hack Reward App 2-stroke oil is designed to mix with the oil and burns, so it is not advisable to use another oil such as 4-stroke or engine oil 2-Stroke Oil Injection Pump Adjustment [3] [4] 2006-2014 known for rotor failure the magnets ...Tohatsu recommend 25/1 for running-in 50/1 after that imho dont run on 100/1 if you want a long life from youe o/b 20 Oct 2007 #3 Cloven Active member Joined 17 Oct 2003 Messages 2,232 Location Scotland My Johnson is 50:1 20 Oct 2007 #4 Roberto Well-known member Joined 20 Jul 2001 Messages 4,368 Location Lorient/ParisBuy Yamaha LUB-2STRK-R1-12 Yamalube 2R RACE 2-STROKE OIL - 1 one-quart bottle ... FREE Shipping on orders over $25 shipped by Amazon. Sold by Jorgensen Powersports and ships from Amazon Fulfillment. ... In Stock. Sold by Chrome World and ships from Amazon Fulfillment. Maxima Racing Oils 10920 Quick-2-Mix Oil/Gas Ratio Mixing Bottle - 20 oz ...The powerhead has 2.56" bore x 2.56" stroke, displaces 432cc, and has a compression ratio of 9.3:1. The engine has an external flush port, plus built-in carry handles and rest pads. On top of that, it has Yamaha's oil-retention system that keeps things leak-free when the engine is laid down in the back of a pick-up or SUV.Yamaha's 432-cc 25-hp portable outboard sports a new, streamlined, portable design and class-leading power-to-weight. In fact, it's the lightest 25-hp outboard on the water—two-stroke or four-stroke. While its streamlined design is 25 percent lighter, it still packs exciting features like battery-less EFI. Pull-start models can now take advantage of this feature, plus the system is designed ...Fuel/oil ratio: 50:1 (50 parts fuel to 1 part oil) Oil requirement: - Certified TC-W3 2-Stroke Outboard Oil. - Quicksilver Premium 2-Cycle TC-W3 Outboard Oil. - Quicksilver Premium Plus 2-Cycle TC-W3 Outboard Oil. 2-stroke oil is normally added to the fuel tank when filling with fuel. This convenient oil measuring bottle is great for ... 2 Cylinders Bore x Stroke 2.56 x 2.56 in. (65 x 65.1 mm) Displacement 432 cc Starting Electric Dimensions Shaft Length 20 in. Weight 143 lb. (65 kg) General Propshaft Horsepower 25 HP at 5500 RPM Full Throttle Operating Range 5000 - 6000 RPM Gear Ratio / Shift 2.00:1 / Forward, Neutral, Reverse Fuel Induction EFI Alternator 16 ampYamaha LUB-2STRK-R1-12 Yamalube 2R RACE 2-STROKE OIL - 1 one-quart bottle LUB2STRKR112 Made by Yamaha. 4.7 out of 5 stars 360. $19. ... Yamaha LUB-2STRK-S1-04 2S 2 STROKE OIL, GL/; LUB2STRKS104 Made by Yamaha. 4.8 out of 5 stars 282-28% $35.99 $ 35. 99 ($0.28 ... All customers get FREE Shipping on orders over $25 shipped by Amazon. Department ...A number of fuel ratios may be used, e.g., 24:1, 32:1, 40:1, 50:1, etc. The ratio tells you the quantity of fresh standard unleaded gasoline (10% ethanol or lower) is needed for a specific quantity of oil. Step 2: Mixing should take place in a fuel can, not inside the tank. Step 3: Once you have mixed the fuel, pour it into the tank and you're ... Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. ... 1998 Yamaha 25Hp 2 cylinder 2 stroke oil mix outboard making squeal noise just below. Collapse. X. Collapse. Posts; Latest Activity . Search. Page of 2. ... #25. 08-17-2014, 11:04 AM.2-cylinder 2-step: Working volume (cubic cm) 496: Compression ratio: 6.2: Power (hp) 25: Bore x Stroke (mm) 72 x 61: Range max. engine speed: 4500-5500 rpm: Ignition system: CDI: Blowing: simultaneous charging: Supply system: 1 carburetor: Fuel tank (l) 24: Max. fuel consumption (l / h) 10.7: Lubrication system: premixing: Fuel-oil ratio: 50: 1 ... Inner Peace by Mike Chino https://soundcloud.com/mike-chino Creative Commons — Attribution-ShareAlike 3.0 Unported — CC BY-SA 3.0 http://creativecommons.org/... Jul 17, 2022 · Yamaha High Thrust 25HP - 25" High Thrust outboard delivers the power and grip with exceptional efficiency. This newly redesigned outboard has the best power-to-weight ratio of all high-thrust 25 horsepower outboards. With the new design comes a no-battery-required Electronic Fuel Injection as well as electric and manual start on all models. The new 25hp High Thrust model comes in both 20 and ... Yamaha 25BMHS 25hp 2 Stroke Outboard Engine Short Shaft. $1,110.00. Qty: Free Shipping. Add to Cart. Description. Reviews (0) Tags: Engine characteristics. Jul 01, 2009 · Re: Yamaha CV 25 v's Yamaha 25 2-Stroke. Check the positioning of the gear shifter. From memory the Cv has it on the side of the motor and the 'normal' 25 has it at the front. It will be much more user friendly with a front gear shift. As Bowser said, if you can afford the 30 'HiTech', buy that. Buy Yamaha LUB-2STRK-R1-12 Yamalube 2R RACE 2-STROKE OIL - 1 one-quart bottle ... FREE Shipping on orders over $25 shipped by Amazon. Sold by Jorgensen Powersports and ships from Amazon Fulfillment. ... In Stock. Sold by Chrome World and ships from Amazon Fulfillment. Maxima Racing Oils 10920 Quick-2-Mix Oil/Gas Ratio Mixing Bottle - 20 oz ...Yamaha's 432-cc 25-hp portable outboard sports a new, streamlined, portable design and class-leading power-to-weight. In fact, it's the lightest 25-hp outboard on the water—two-stroke or four-stroke. While its streamlined design is 25 percent lighter, it still packs exciting features like battery-less EFI. Pull-start models can now take advantage of this feature, plus the system is designed ...There is no risk of gelling or carburetor plugging from synthetic 2-stroke oil formulated for the latest 2-stroke engines. In fact, the opposite will occur. AMSOIL 2-stroke oils like HP Marine will provide cleaner engine internals and a strong resistance to engine deposits. So yes, you can confidently use a modern 2-stroke oil in an older engine.The problem isnt the premix ratio, its the jetting being way too rich Have seen 100cc high revving kart motors run 16:1, with not much spooge, or smoke, when jetted right. The difference of oil in a gallon of gas of 32:1 vs 50:1 is only a few cc'sJun 18, 2022 · 100:1 - Mix 50ml of oil per 5ltrs of fuel. Recommended by Yamaha and Suzuki for most of their small two stroke engines up to about 30hp, this ratio requires the least amount of TCW3 two stroke oil. The result of using this ratio (less oil) is reduced spark plug fouling and less smoke. For older Suzuki outboards, pre-1997, I'd recommend running ... I just bought a brand new yamaha 25hp 2-stroke tiller short shaft and I wanted to know how much oil u put in a 6.5 gallons tank. The gasoline and oil chart said 6.3 gallons to have 1.01 guart in the fuel tank on 100:0 ratio oil? So that mean put one guart of oil in 6.5 gallons of fuel? I need help to make sure for breakin period.We all need to mix our gas and oil...unless your sled does that for you which makes you weak. Instead try mixing your own oil and fuel..it's called PREMIXIN...FOR SALE- 2007 Weeres 20FT Pontoon Boat. Winnipeg 06/06/2022. Mooring Tarp, Bimini Top, Portapotty/Change Room, Shorelander Trailer/2013 Yamaha 90 HP ENG. 25HRS is used on the motor. Ski Post 2 Fuel Tanks/Seats 8 Asking Price- $35,000 Phone-204-612-9529 ^This is not a cell phone it is a landline please do not text. $119.00.Two-stroke Mix Ratio Chart Fuel / Oil Ratio mls per 1 Litre of fuel mls per 5 Litres of fuel mls per 10 Litres of fuel mls per 20 Litres of fuel 5:1 200 1000 2000 4000 10:1 100 500 1000 2000 15:1 67 333 667 1333 16:1 63 313 625 1250 20:1 50 250 500 1000 25:1 40 200 400 800 30:1 33 167 333 667 33:1 30 152 303 606 Ultra-smooth 4-cylinder refinement - with EFI. Whether strokes or cylinders, Yamaha understands the power of Four! Which is how the world's pioneer in 4-stroke technology has brou25 L. 500 ml. 250 ml. 30 L. 600 ml. 300 ml. Please note that the recommended oil for two strokes is TCW-3 outboard oil, the present cost being around £9.00 a Litre. For more information please call: 01475 744 555.Jun 05, 2015 · Early premature wear, esp. if you do a lot of shallow water work, or you leave your motor in neutral while trailering (spinning prop dry rubs your impeller in the housing). Check your pisser strength. If it's low, I'd overhaul the water pump. I'd also check the compression next. June 6th, 2015, 06:46 AM #4. Wahoo. If you’re just mixing a random batch of 2 stroke fuel (2 cycle gas), please use this simple free fuel mix calculator: Select your Fuel:Oil ratio. Click either Metric if your using litres and millilitres or US if you’re using gallons and fluid ounces. Enter the amount of straight fuel you plan to mix. Add the calculated amount of oil to the ... 100:1 - Mix 50ml of oil per 5ltrs of fuel. Recommended by Yamaha and Suzuki for most of their small two stroke engines up to about 30hp, this ratio requires the least amount of TCW3 two stroke oil. The result of using this ratio (less oil) is reduced spark plug fouling and less smoke. For older Suzuki outboards, pre-1997, I'd recommend running ...25 / 20 / 15 hp 9.9 / 8 hp 6 / 4 / 2.5 hp; V MAX SHO. ... Use caution when filling or adding oil. Yamaha 4-stroke outboards have a tapered oil sump design (smaller at ... Yamaha 25BMHS 25hp 2 Stroke Outboard Engine Short Shaft. $2,000.00 $1,550.00. Yamaha 25BMHS 25hp 2 Stroke Outboard Engine Short Shaft. Control type: Tiller. Starter type: Manual. Number of engine cylinders: 2. Engine cycle: 2. Engine displacement (cc): 496. Weight (kg): 56. 1989 Yamaha 175 Precision Blend Model 175ETXF 25" shaft This is the best early model carburated 2 stroke motor you can find. ... Runs 87 octane fuel and low grade 2 stroke oil (no expensive 92 octane fuel and expensive synthetic oil required). This motor is a mule! ... Settled on a 200HP (seemed to be best weight to power ratio). Evaluated ...Looking at the manual for a 1989 Yamaha 15hp 2-stroke, it says 25:1 during break-in and 100:1 after break-in for normal use. The motor has a 100:1 decal right on the front of it. And, no, 100:1 means LESS oil...1 part oil to 100 parts gas. On my mixing chart on the wall of my garage, that means 8 ounces (1/2 pint) of oil per 6 gallon tank of ...Yamaha 25 Hp 2 stroke Yamaha 25 Hp 2 stroke. Superior design and engineering allows these engines to run a 100:1 pre mix oil ratio for crisp response, less smoke and odor, and smooth operation. 2 cyl: Displacement: 432cc: Bore x Stroke: 65 x 65.1mm / (2.56 x 2.56 in) Prop Shaft Horsepower: 25 hp at 5500 rpm: Full Throttle RPM Range: 5000 - 6000: Alternator Output at W.O.T. 16 amp: Compression Ratio: 9.3:1: Fuel Induction System: EFI: Weight* 57kg (126 lbs) - 65kg (143 lbs) Recommended Fuel: Octane 87: Recommended Engine Oil: Yamalube ...Yamaha's 432-cc 25-hp portable outboard sports a new, streamlined, portable design and class-leading power-to-weight. In fact, it's the lightest 25-hp outboard on the water—two-stroke or four-stroke. While its streamlined design is 25 percent lighter, it still packs exciting features like battery-less EFI. Pull-start models can now take advantage of this feature, plus the system is designed ...2 Cylinders Bore x Stroke 2.56 x 2.56 in. (65 x 65.1 mm) Displacement 432 cc Starting Electric Dimensions Shaft Length 20 in. Weight 143 lb. (65 kg) General Propshaft Horsepower 25 HP at 5500 RPM Full Throttle Operating Range 5000 - 6000 RPM Gear Ratio / Shift 2.00:1 / Forward, Neutral, Reverse Fuel Induction EFI Alternator 16 ampJul 01, 2009 · Re: Yamaha CV 25 v's Yamaha 25 2-Stroke. Check the positioning of the gear shifter. From memory the Cv has it on the side of the motor and the 'normal' 25 has it at the front. It will be much more user friendly with a front gear shift. As Bowser said, if you can afford the 30 'HiTech', buy that. YAMAHA 25 HP 2-STROKE 25 HP Model: 25HP Brand: Yamaha [Product Type ... Gear Ratio 2.08:1 Rated Speed 5000 r/min Displacement 395 cm 3 (0.40L, 24.10in 3) ... -based supplier Mystik informs that its lubricants will now be available in a wider range of 4-cycle FC-W marine engine oil viscosity grades, including full synthetics 10W-30 and 10W-40 as ...Explore Yamaha's extensive genuine parts & accessories. ... Mid Range Two Stroke 25 - 90HP View Model 25B. Outstanding Versatility. Key Features. 496cc Two-Cylinder; 100 to 1 Fuel Oil Ratio ... 100 to 1 Fuel Oil Ratio; 3 Year Warranty; Anti Corrosion; View Model 50H. Key Features. 698cc Three-Cylinder ...Ratio Gas to Oil. 1 Gallon Gas. 2 Gallons Gas. 3 Gallons Gas. 4 Gallons Gas. 5 Gallons Gas. 16 to 1. 8 Oz Oil. 16 Oz Oil. 24 Oz Oil. 32 Oz Oil. 40 Oz Oil. 20 to 1. 6.4 Oz Oil. 12.8 Oz25 - 2.5 hp. 25 / 20 / 15 hp 9.9 / 8 hp 6 / 4 / 2.5 hp; V MAX SHO. ... Yamaha outboards are manufactured to provide you with years of enjoyment. But high load, high-RPM operation, extreme temperatures and humidity, saltwater, sun, even long periods of non-use can all exact a heavy toll. ... 2-Stroke Schedule; Your Outboard at Your Fingertips ...25MSHP. This 1991, 25 hp Yamaha is made for saltwater. This outboard engine weighs approximately 104 pounds. It has 2 cylinders. The pistons have a 24.1 displacement. The bore width is 2.64" and the stroke length is 2.20". This model has a recoil starter and power steering. Your engine's RPM range is important in choosing the right propeller ...Tohatsu recommend 25/1 for running-in 50/1 after that imho dont run on 100/1 if you want a long life from youe o/b 20 Oct 2007 #3 Cloven Active member Joined 17 Oct 2003 Messages 2,232 Location Scotland My Johnson is 50:1 20 Oct 2007 #4 Roberto Well-known member Joined 20 Jul 2001 Messages 4,368 Location Lorient/Paris