JD jetting guide

Does this guide tell you how to jet your bikes with different pipes and mods.I have a 2002 426 with a TApipe running pump gas,my jetting seems good but can it be better?Should my plug look tan or a bit black but not wet.With the TA pipe bob says a 168m wouldnt it make sense to richen the needle and pilot also.I have a 168m and 45p needle stk position should I try richening the needle also,my bike runs great but can it run greater. :)

[ February 19, 2002: Message edited by: h bomb ]

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