Buzzsaw
06-15-2002, 07:52 AM
What is the best size main jet for a 300ex with this pipe?
2K1 300EX
08-08-2002, 07:38 PM
I have the same question. I have the MegaMax II with the oversized header, uni air filter, choke removed, and 2"x2" holein air box lid. The cycle shop said I need a 135 main jet but I am not for sure.....I have been trying to find some more info. Any advice will help.Thanks.
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