300ex motor work

[ride300exrider]

i am thinking of getting my motor worked on and want to be able to race in the 300 class. i herd that u cant bore bigger then 300cc? then oter people said u can go to a 330cc motor?

also would i notice a difference if i did a .080 bore with port and polish along with a cam?
is a .060 bore better?
also whats a good cam for a 300ex?
would a carb make a big difference on that setup?

open to all ideas and please tell why u have or would want what u state in this form

THANKS
Ed

[ride300exrider]

anyone?

[Diedrich]

u can race a 330 in the 300 class..i would go with a good 330 kit, race cam, titanium valve springs, bigger valves, port & polish, and a carb if ya got the money..also have a good pipe and have it jetted correctly