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Old 05-01-2009, 05:25 PM   #1 (permalink)
brettrown
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Default Muzzy backfiring need help

I seem to have my jetting correct, around 12-13 on the a/f meter. Don't think I have an exhaust leak. I took the exhaust off put and high temp silicone in all the joints. As soon as I let off popping/backfiring instantly. Worse going down hill. Can anyone advise on this..
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