While you wait for answers, we may have found some information which could help you.
Click here for Battery Yamaha Starter1992 Yamaha WaveRunner III, engine J650C 70 cuts out?
1997 Yamaha Wave Venture difficult to start?
1999 yamaha 1200 suv waverunner?
fuel problems 1991 yamaha vxr waverunner?
Repair a broken crankshaft?
My yamaha 20hp 2 stroke engine will not run under load?