pr400ex
07-31-2005, 09:57 PM
i have a pro circut T-4 if i buy a big gun evo mini series will i have to re jet
2004exrider
08-01-2005, 10:58 AM
wouldnt hurt to check the spark plug. one may flow better than the other and you might have to up the jet 1 or maybe not.
Jimmy
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