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07 750 C2 Backfire, Loud!!??
Protzinsc said 2012-07-03 06:25
Runs so good I hate to mess with anything, but after it gets warmed up, it backfires fairly often and occasionally lets go with one that sounds like a gunshot. Not a good thing in my neighborhood. Installed new plugs and had no effect. 10,000 miles on the odometer. So far as I know, the carb has never been messed with.