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Carbon fouled spark plugs

Discussion in 'XJ Technical Chat' started by steve06118, Sep 8, 2009.

  1. steve06118

    steve06118 New Member

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    I have been experiencing heavy hesitation in engine performance after riding a short distance and engine warms up. I checked the plugs and they all have carbon deposits all over the electrodes and tips.
    What might be the primary cause for this to happen? My battery is on its last leg and have ordered a new one as well as new alternator brushes.

    Just wondering if anyone has experienced the same with their '81 550 Seca.
     
    steve06118, Sep 8, 2009
    #1
  2. mlew

    mlew Well-Known Member

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    You are running to rich. Caused by dirty or clogged air filter, carb problems like choke sticking. Have you done any modifications to the bike, new exhaust or intake setup?
     
    mlew, Sep 8, 2009
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