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  1. #1
    Joined
    Aug 2005
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    Kazakstan Almaty
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    2

    Default GP1200R cold front cylinder

    I have a 2000 Yamaha GP1200R about 125 hours. I bring and install StageIII.
    Front cylinder still very cold, central and rear cylinder is heating. The engine working not stable. I mean no ignition in the front cylinder.
    I swap a sparking-plug between front and central cylinder. no result. I try to unplug sparking-cap from any one of cylinder. The engine working same ( of course not stable).
    I try to plugin other one sparking-plug to every cap to see spark. a spark is present, but poor in comparison with automotive spark. (poor spark it's normal for the engine or not?)
    Fuel is come in to the front cylinder. i can see fuel upon sparking-plug when unscrew it.

    What i have to do? Improve spark or try to find other problem?
    Help!

    PS: During installation of StageIII i replace in rear (not front) cylinder a valve, piston and rings, because Yamaha's guy forgot to add small amount of Loctide at tread, so the valve fall in cylinder. Other cylinders is looking good.

  2. #2
    Joined
    Mar 2003
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    SBT
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    21,545

    Default Re: GP1200R cold front cylinder

    What is your stage III? What parts were installed?
    SBT Tech Support is here to help with your problems.
    We try to answer each question quickly and accurately.
    Please do not use Private Messaging for Tech Support, use the forums.

  3. #3
    Joined
    Aug 2005
    From
    Kazakstan Almaty
    Posts
    2

    Default Re: GP1200R cold front cylinder

    Quote Originally Posted by Technical Support
    What is your stage III? What parts were installed?
    GP1200R Performance StageIII Kit from RivaYamaha. The package include many items: Triple exhaust, R&D CDI, Cylinder head,... Link below
    http://www.rivayamaha.com/pwc_perf_packages/gp1200_stage3.asp#

  4. #4
    Joined
    Mar 2003
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    SBT
    Posts
    21,545

    Default Re: GP1200R cold front cylinder

    Call Riva, they need to diagnose thier own stuff.
    SBT Tech Support is here to help with your problems.
    We try to answer each question quickly and accurately.
    Please do not use Private Messaging for Tech Support, use the forums.

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