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Year model of yamaha outboard and fuel mix ratio

Yamaha 20CM 6A9 S008256 This is all thats on the serial tag.

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See linked manual!
JD
Manual

Posted on Sep 26, 2009

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Bought a yamaha outboard v6 spcxj? Need info on it?


Yamaha makes the user manuals available online.
http://www.yamahapubs.com/index.do?pg=search&category=4

You can search by model/year or by serial number.

Jun 24, 2014 | Fishing Boats

2 Answers

Fuel mix ratio for outboards


that depends on the age of the motor .if erroring it's better to have too much oil than noot enough sine that can seize an engine up

Jun 11, 2014 | Fishing Boats

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Fuel mix ratio for outboards


oil not required in a 4 cycle motor only 2 cycle requires oil mixture .

Jun 05, 2014 | Fishing Boats

1 Answer

Fuel mix ratio for outboards


this depends on the make and year and horsepower .older models used ratio of 25-1 and newer ones used a ratio of 50-1. some have even went to 100-1 but if I had to error I'd rather have too much oil than not enough to lub the cylinder wall and piston. oil only makes them smoke more

May 20, 2014 | Fishing Boats

1 Answer

I need to know the ratio of a gas and oil mix for a 1999 yamaha outboard motor 90 horse power already broke in...


I'am amazed it doesn't have an oil premix that gives it auto oil mix.If it doesn't than the mixture is 50/1.That is fuel /oil ratio.e.g. 50 litres of fuel to 1 litre of oil.Hope this helps

Apr 17, 2010 | Fishing Boats

1 Answer

What type of petrol is needed for a yamaha outboard motor horsepower 8?


reg unleaded gas.

You haven't specified as to its year of manufacture, so if its older, as in a 2 stroke, it'll be a mix of gas and outboard oil.

If its a newer model, a 4 stroke, it'll be injected(Gas and oil seperate)

If you are totally unsure, Consult your owners manual and if you have none, then any Yamaha dealer can use the serial # off the motor to establish any specs on it for you.

Happy boating.

Oct 04, 2009 | Fishing Boats

1 Answer

Yamaha 115 will not shut off with key or kill switch


not enough information on the motor. what year and model? but all yamaha outboards are shut down by the C.D.I. being grounded by the key switch or the emergency kill switch. the cheapest thing to test or replace is the key switch and the emergency kill. with more info on engine I can help you further.

Sep 23, 2009 | Light Outboard Motor Boat Bass Fishing...

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