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3 Posts
I've a 650 exec with 34,000 miles and a blown yoshi muffler... it backfired often... what should be adjusted so that I don't blow out the new yoshi now being installed??
Never had my 09 650 Exc backfire, for all that goes never had my 07 400 do it either.I don't know anything about aftermarket exhausts, but I do know that a 650 with its computerized fuel injection should never backfire.