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Bad Cough

Discussion in 'Motorcycle Tech Talk' started by SPORSTERBOY, Mar 31, 2006.

  1. SPORSTERBOY

    SPORSTERBOY New Member

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    What Would Make A Rear Jug Cough ? The Front Goes Blat Blat Then The Back Spits Out A Flame. It Takes Forever To Warm Up, Even When The Choke Is Out< At Least 15 Min> If I Don't It Will Back Fire. Does Any One Know About Multiple Spark / Plugs / ?

    Sorry, Didn't Mean Any Disrespect If I Did.
    SPORSTERBOY, Mar 31, 2006
    #1
  3. chucktx

    chucktx Moderator Staff Member

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    if you are getting flames out of the pipe, it means that the exhaust valve is not sealing on the combustion stroke....how does it run??
    chuck
    chucktx, Mar 31, 2006
    #2
  4. CD

    CD Guest

    Could also be one serious intake leak. Does it finally stop when hot or continue to misfire?

    A simple check for intake leaks will tell you the story.

    Use some WD40 lightly sprayed onto the intake flanges from the left side. Any change in RPM indicates and intake leak. A change in idle speed from cold to hot also indicates a leak.
    CD, Mar 31, 2006
    #3
  5. SPORSTERBOY

    SPORSTERBOY New Member

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    pur'n like a kitten

    Thanks For The Tip! That Must Have Been The Problem. I Checked The Bolts And They All Seemed Loose, So After Wrench'n I Cranked Her Up And It Sounds Like A New Bike. I Think It Increased The Preasure On The Rear Pipe At Least 50%.:)
    SPORSTERBOY, Apr 1, 2006
    #4

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