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Yamaha 115hp 4stroke tune up

merlin

Member
"My 2001 Yamaha 115hp four str

"My 2001 Yamaha 115hp four stroke is missing. It runs ok at high RPM and misses the most at cruising speed.

I cleaned out the injectors, replaced the fuel and fuel filters, checked the plugs (they look fine). I have not done a compression test but I'm working on it.

I don't have a manual, can anyone tell me how to check the timing.

Any other suggestions?

Thanks!"
 
"I have the same problem, anyo

"I have the same problem, anyone can tell me what happen?"
 
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