backfire

Discussion in 'Engine, Fuel and Exhaust' started by BannedSkinner, Mar 6, 2013.

  1. BannedSkinner

    BannedSkinner New Member

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    I have a 08 revtech motor, shorty e carb, straight dual fire system, and I am getting an intermitten issue. At the top end of a gear, the bike will loose all power for just a sec., backfire and want to die, if I keep on the throttle, it will keep bucking and backfiring, if I let go of the throttle, it will idle and mellow out. New plugs, wires, and the entire charging system was just replaced at the tune of 1000 bucks. Can anyone help out?
     
  2. STEVE07

    STEVE07 Well-Known Member Staff Member Super Moderators

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    From what you described it sound like it is starving for fuel.Have you checked the fuel filter,fuel flow to the carb and float height?
     
  3. fin_676

    fin_676 Experienced Member Staff Member Moderator Contributor

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    As Steve said it is the sort of effect you would get when there is not enough fuel
    Has the current setup previously worked ok if so was it a gradual or sudden change in condition

    Brian
     
  4. BannedSkinner

    BannedSkinner New Member

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    the setup worked fine for about a year, then I took it into a shop to have the stator, regulator, etc. replaced.

    all but the float level
     
    Last edited by a moderator: Mar 6, 2013
  5. Bodeen

    Bodeen Well-Known Member Staff Member Moderator Contributor

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    If the stator was the last thing done to it before it started this. I would run that angle down. Is it charging properly, is the voltage being regulated properly, What is the voltage at high rpm? etc.
     
  6. mrwizz

    mrwizz Member Contributor

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    If you haven't already, I'd check the battery connections.