How much fuel does a 15hp outboard use?
13 Gallons with a 15hp…you must have a HUGE gas leak. That engine would not burn 13 gallons in a season. My 15 2 smoke would run about 1/2 gallon an hour.
What should fuel ratio be for 15 hp Yamaha?
Re: fuel mixture in new 15 hp yamaha You are only ment to use a 1:50 ratio for the first 10 hours whilst running the engine in. There after the ratio is 1:100 using any good outboard 2 stroke oil. Using a 1:50 continuosly will carbon the engine up and give you endless problems with oiled up spark plugs.
How much fuel does a Yamaha outboard use?
Select Yamaha Outboard Test Model Displacement Fuel consumption WOT Boat owner? Yamaha 250 HP V6 4.2 L – 254 cid 23.8 GPH Yamaha 300 HP V6 4.2 L – 254 cid 26.0 GPH Yamaha 350 HP V8 5.3 L – 325 cid 34.1 GPH Yamaha XTO 425 HP 5.6 L – 339 cid 36.8 GPH –
What kind of oil do you put in a Yamaha outboard?
100: 1 is not a “rich” mix . Its about the lowest proportion of oil in petrol that you would get away with. Its only 1% oil. 50:1 contains twice as much oil ( 2%). Most 2 stroke outboards used 50:1 from about 1970 onwards. Before that they used even more oil.
How many horsepower does a Yamaha 15 FMHS have?
Yamaha 15 FMHS 15hp 2 Stroke Outboard Engine Short Shaft. Engine specifications. 2-cylinder. 2-beat. Displacement (cc) 246. Compression ratio. 6.8. Power (hp) fifteen.
Re: fuel mixture in new 15 hp yamaha You are only ment to use a 1:50 ratio for the first 10 hours whilst running the engine in. There after the ratio is 1:100 using any good outboard 2 stroke oil. Using a 1:50 continuosly will carbon the engine up and give you endless problems with oiled up spark plugs.
What kind of gas does a Yamaha outboard use?
All that being said, most of the gas you find on the road is E10 or ten percent ethanol, which besides being a fuel component is a very powerful solvent that can corrode rubber or fiberglass and loosen any debris that comes in with your fuel, all of which can lead to a clogged fuel line.
What kind of oil do you use in a Yamaha?
You can contact Yamaha in Mexico at this web site: In the meantime use 50:1 mix of a high quality TCW-III oil such a Yamalube 2-m. You are only ment to use a 1:50 ratio for the first 10 hours whilst running the engine in. There after the ratio is 1:100 using any good outboard 2 stroke oil.
Is the Yamaha 15F a good outboard engine?
But that’s a good thing because the old 15D and its Yamaha 15F successor have been some of the most popular outboards here. Though both are premix engines the fuel/oil mix is a lean 100:1 that reduces oil costs and pollution.