Do you need to run race fuel with this pistion? do you recomend a jet size for a honda 450 with all the bolt ons & stage2 hotcams.?
MotoSport Staff Expert Over 4 years ago Location: USA
typically any piston that is higher than 12.5:1 compression should use a 50/50 blend or straight race fuel. Race fuel will help keep the detonation temp lower than where pump fuel burns at.