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backfiring

  1. Cbr954 timing issue???

    Honda FireBlade
    I have an 02 cbr 954 that I have recently done the valves on. I replaced 8 shims (mostly intake) and the exhaust servo. The bike sounds like its a tooth off on the timing; Shuddering, will not idle, backfiring, and knocking every once and a while. I have taken it apart many times to check and...
  2. Need help,carb backfiring on 98 cbr 919rr

    Honda FireBlade
    So i just got done rejetting my 98 cbr919rr,and hooked it all back up and was about to use the motion pro carb synchronizer,I had the fuel line hooked up to a fuel funnel and had the motion pro set up,started the bike and let her run,she started to run pretty high into 3500-4000 rpms and the...
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