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popping and backfiring

3K views 2 replies 2 participants last post by  IgorB 
#1 ·
hey guys what would cause popping and backfiring at 4000-5000rpm?, i was thinking it was the carbs but i took them apart cleaned them and it still does the same thing, anything above six grand it runs great and idles great too
the sled is a 98 700 vmax triple
thanks!
 
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