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crf 100 jetting

This is a discussion on crf 100 jetting within the Bigger Minis Forum forums, part of the General Talk category; just picked up a 04 crf 100 for my daughter, bike has fmf pipe with stock jetting , hard to start and keep running, any ...

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Thread: crf 100 jetting

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    bran4403's Avatar

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    crf 100 jetting

    just picked up a 04 crf 100 for my daughter, bike has fmf pipe with stock jetting , hard to start and keep running, any ideas on jetting???


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    firepower354's Avatar

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    Re: crf 100 jetting

    See Powroll site for good jetting info.

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    XRDAD's Avatar

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    Re: crf 100 jetting

    The stock slow jet is a 35, and the stock main jet is probably a 95. Go up to at least a 38 slow (pilot) jet, and a 100 main jet. buy a 40 slow jet and a 102 or 105 main jet when you order the jets just in case you have to go richer. You can get them from Chapparal or jetsrus. Cost about 3 bucks each. The dealer can order them as well. They get $16 each!!



    Ted K.

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    Pat Farsole's Avatar

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    Re: crf 100 jetting

    ^^^^^ ... The same jetting works spot on in Australia too ... ^^^^^^

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