Piston from my unknown motor. All I know is its a warrior motor and appears to be stock bore, but im not sure. Has no brand (no Yamaha or other marks inside. only whats on top.)
soooo.... worth it to swap into my stock motor? I have it and new rings and wanna remove the base gasket too. goal is around 10.5:1. all it has now (just got the latest one) is a cobra pipe. got a k&n drop in to go in it.