fnmracing
03-01-2009, 08:52 AM
i have a question about putting on a big bore kit. I have my engine torn down right now(timing chain issues) and was thinking I might as well install big bore kit now instead of later. what else needs to be modified on quad. Do i need to change cams, crank, carb, air box or what. Or can i just install big bore kit change jettings and everything else that is stock be left stock