need help with jetting

lalla666 · #1 (**permalink**) 05-26-2008

ok so me a bmx nick been at this for like 2 weeks now we need to no what jets to get for his 310r with a fmf pipe what main jet pilot jet and were the clip to be also i dnt no wat size jet he as in ther no i think a 16 main im not shure tho

flotek · #2 (**permalink**) 05-26-2008

well if its not ported and using an fmf id guess around 162 main and 55 pilot clip in middle or one notch lower toward pointy end

lalla666 · #3 (**permalink**) 05-26-2008

ok we he just told me he only has a 145 in it now he had a 160 in it and it still ran like crap

flotek · #4 (**permalink**) 05-26-2008

maybe the compression is low maybe the pilot is off or needle is bent tons of things ot go wrong

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