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Louie
Louie, Technician
Category: Motorcycle
Satisfied Customers: 11753
Experience:  25+ yrs. experience
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2003 VN800A9 POPS AND BACKFIRES ON HARD ACCELERUTION

Customer Question

2003 KAWK VN800A9 POPS AND BACKFIRES ON HARD ACCELERUTION ACT LIKE THEY IS LOSE OF POWER
Submitted: 1 year ago.
Category: Motorcycle
Expert:  Louie replied 1 year ago.
Hi and welcome to JustAnswer,Thank you for the question and your patience. Should you still need assistance for information purposes only...Initially, remove the sparkplug to check particularly the burn color of the ceramic tip. If light brown to almost whitish, then a lean mix.A likely possibility is an air leak which would be the major contributing factor for the lean mix. Check the air cleaner box, filter/element and the coupling to the carb mouth. Air should only have entry through the designated opening slot of the air box and no other.Please post back results / observations of the above preliminary checks.