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Posted by txdrifter
 - July 27, 2011, 15:13:12 PM

Pulled the bike out Sunday for a ride after having it garaged for a month or so.  Was about an hour in the saddle and noticed the bike backfiring every time I came off throttle.  Rode it home (another hour) and by the time I got back it was popping while sitting in neutral at idle. Cranked it this morning to ride and was again popping at idle. I didn't want to ride it not kowing what is wrong so left it home.  Any thoughts on what to check?

I have the old style cobra 2 in to 1 exhaust, power commander and have done the Cadmann mod to the air intake with rubber stoppers instead of marbles. No exhaust leaks I can find, and bike was running smooth last time I pulled it out for a ride. I'm baffled as to what is going on. Thought I would ask the board here before I go back and play with the settings on the PC. Shouldn't be the PC anyway, nothing has changed from the previous rides. Backfiring equals rich fuel mixture burning in exhaust, yes? What would change in a month? Hole in vacuum line or such?

All help appreciated. Thanks!

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