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Discussion Starter #1
2013 850 LE
I get an occasional backfire down hill when letting off the gas.
Anyone else have this happen?
My dealer suggested using non-ethanol fuel.
 

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If you are still going through the break in period, don't worry about it. I think almost all 850's backfire on occasion during break in. Nothing to worry about. Pretty sure using non ethanol fuel would make no difference at all since it is raw fuel burning in the exhaust system that causes the bang.
 

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goes away after 25-30 hours.
 
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