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350xrider911
08-24-2008, 12:47 PM
ok i did a big bore kit on my 350x to 425 and love it. i did not port the head i dont know how and no one around here will. but i got the, cam and, valve springs. i have stock carb running on it would i benifit if i run a 400ex carb and.i also have the stock exhaust but no baffle, and i cut it open and took alot of the insides out. and some times it seems to have a mind of its own some time it pulls wheelies in 5th and some times it dont even want to in 4th could the be my clutch slipping. i tryed adjusting it and it help some what.

SWIGIN
08-24-2008, 01:47 PM
i would get a 38mm PE keihin (spelling?)

they are great for built up 350cc motors and it works great on my buddys 460cc big bore stroker