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Jetting questions on 07 / 400exThis is a discussion on Jetting questions on 07 / 400ex within the ATV/UTV - General Discussion forum, part of the ATV/UTV Forums category; I have installed a FMF power core 4 pipe on my wifes quad. (she wanted it a little louder) I ... |
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#1
04-02-2009, 12:53 PM
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 Jetting questions on 07 / 400ex I have installed a FMF power core 4 pipe on my wifes quad. (she wanted it a little louder) I have changed the jets from the stock 148 now to a dyno jet 170 (started at 155 and kept trying as I went) the plug is still white. The Machine runs really crisp right now and I hate to get wreck how nice it runs for her. Has any one had to experiment with this. Did you have to change the needle setting? we are a little higher of elevation and the temp up here is typically cooler.  |
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