Hi your carbs need rebuilt if you bought the bike with the cobra pipes on it an aftermarket jet kit has already been installed after time the aftermarket needles wear out and or wear out the emulsion tubes. i had the exact problem tried every thing coils, igniter box etc. check out GMAN INDUSTRIES. COM they will solve your problem. or sell you genuine mikuni parts with the correct jets, pilot screws, and needles.
HI if this is a bike with carbs then I would highly suggest rejetting them with the after market pipes, if it has injectors then I would recomend checking to see if a power commander is availible for the bike so that you can tune the fuel curve, it will help with the performance as well as your fuel problem
HI if this is a bike with carbs then I would highly suggest rejetting them with the after market pipes, if it has injectors then I would recomend checking to see if a power commander is availible for the bike so that you can tune the fuel curve, it will help with the performance as well as your fuel problem
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