We carry all the Wiseco Yamaha Waverunner piston kits We specialize Pro Yamaha watercraft engines and Waverunner pistons,. So if you don't know which Yamaha WaveRunner piston kit you need? just call us. We carry all of the Yamaha Waverunner oversize pistons. But if you need a pistons that are standard or stock size, You will have to call us. We Prefer to use these Wiseco Yamaha SuperJet pistons in all our race motors.
Tech Tip: To check Yamaha piston to cylinder wall clearance. Get a feeler gage and put WaveRunner piston in cylinder then stick the gage between WaveRunner piston and WaveRunner cylinder wall to find your clearance. (From Bottom up)