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  1. Raptor 700 Modifications
    Hello so I recently got a 07 raptor 700r it has no air box lid K&N intake fmf exhaust no spark arrestor it starts up no problem but when i blip the throttle kind of sounds like it misfires my spark plugs get really black and dry and i dont know if im getting to much air and not getting enough...
    black and dry spark plugs lean rich
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