While you wait for answers, we may have found some information which could help you.
Click here for Start Hard Throttlehow fix yamaha 40 running rough ?
75 HP Yamaha Tilt trim?
1992 Yamaha WaveRunner III, engine J650C 70 cuts out?
My 08 is burning lots of oil, How can I fix this? ?
starting problem?
fuel problems 1991 yamaha vxr waverunner?