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07 Raptor idles well, but backfires when given throttle.

1K views 2 replies 2 participants last post by  morphrider 
#1 · (Edited)
Hey, guys, I need some big-time help. my raptor 350 was running great then all of a sudden started bogging down after giving it about 1/4 throttle. took the carb off and cleaned the daylights out of it. assembled everything (the correct way) and still the quad idles beautifully, but when given gas its backs out and backfires. any insight would be greatly appreciated.
 
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