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Excessive backfiring during decelaration

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Old 03-01-2011, 05:00 PM
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Default Excessive backfiring during decelaration

When I let off on the gas on my 1989 FXRS it backfires like crazy. Does anyone know what could cause this?
 
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Old 03-01-2011, 05:09 PM
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how longs this been doing this,did you just do some mods to it?? If it just started and you've not changed anything,my guess would be a leak somewhere,maybe head pipe cracked?? head pipe to jug gasket broken/burnt out??Pipes/headers loose??If you've just done some mods,AC,mufflers/exhaust it may be running lean...?
 
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Old 03-01-2011, 05:10 PM
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your jetting is way off
 
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Old 03-01-2011, 05:33 PM
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As a TRUE friend would say "she's too fat!!"
 
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