Cannondaleriders

big wink makes a carb system for the cdale. i think some people might be scared of the efi and if you are i say go get a yamaha.

check the info on the cannondale
http://www.diamondracingatv.com/motorwork.html

is the piston kit stock or is it a 450?

i may not know a lot but i have grown up running sprint cars and i do know that if cool air rushes into an alum. head on shut down after running without a muffler or a header the head can worp it would be better to open the stock muffler and gutting it