My 1983 flht highway road king harley davidson motorcycle keeps backfiring thru muffler fixed vales, carburator, plugs

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on

26 Jun, 2015

  • 65%
    Solved this issue
  • 87min
    Time to fix
  • 72%
    Recommend to DIY
Need a faster answer?
Hi Anonymous, double check the integraty of your intake and exhaust gaskets/seals then try using an exhaust reversion cone. Good luck and have nice day.
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