big bore kit

Hello, My 2001 650r, uncorked, piped, triple tree'd, geared, excel rim, relieved air box, modified cdi, pumper carb havin bike is fast buuuttt I like faasstt. Have many of you had experiance with the big bore kit (102) and the stage 2 cam? what kind of hp and torque change? do you need a heavier cam chain and tensioner? :excuseme: Thanks Jimmy

all you could ever want to know about the 680 kit and others is found in with the search feature.

now, one of the best threads on the 680 IMO is right here:

Mike Kay (Irondude) and Bruce know their stuff, as do most of the others that post in the first parts of that thread.

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