Troubleshooting 2000 GSX RFI
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  1. #1
    Frequent Poster mrwhipper's Avatar
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    Troubleshooting 2000 GSX RFI

    Hello all. I just bought a 2000 GSX RFI for backup parts for my wife's 99 GSX RFI. I bought it knowing it is not running well. It will only start when I hold it at half throttle then it will only run for about 5 seconds and shut off. It as also back fired when trying to start.

    I would like to get it running correctly or at least know what is wrong before I break it down.

    This what I know.

    1. The plugs are WET!
    2. I pulled the crank position sensor and there is metal shavings on it. (I cleaned the shavings off of it. I have not taken the the mag cover yet.
    3. Compression is 150 and 153
    4. The engine when running sounds tight. The crank and wrist pin bearings seem tight when I rotate the crank back and fourth.
    5. I can hear the fuel pump when I connect the DESS key
    6. Coil packs were swapped . Not the problem.

    I have not yet done any resistance testing on TPS or injectors.

    Where do you think I should start?
    Any guesses on whats wrong?


    I was doing a bunch of research and the TPS keeps popping up.

    Thank you for any guidance you can give me.

  2. #2
    Top Dog wire4money's Avatar
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    Re: Troubleshooting 2000 GSX RFI

    Does it rev up at all? I’ve seen a couple skis with stripped rotary valve gears that would idle (roughly) until the engine floods out (soaking the spark plugs).

  3. #3
    PWCToday.com Is My Home Away From Home Grumpy Old Guy's Avatar
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    Re: Troubleshooting 2000 GSX RFI

    First have the TPS reset/adjusted.

  4. #4
    Frequent Poster mrwhipper's Avatar
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    Re: Troubleshooting 2000 GSX RFI

    Quote Originally Posted by wire4money View Post
    Does it rev up at all? I’ve seen a couple skis with stripped rotary valve gears that would idle (roughly) until the engine floods out (soaking the spark plugs).
    Does not idle at all.

    If I give it half throttle it will start and run for about 5 sec then quit.

  5. #5
    Frequent Poster mrwhipper's Avatar
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    Re: Troubleshooting 2000 GSX RFI

    Quote Originally Posted by Grumpy Old Guy View Post
    First have the TPS reset/adjusted.
    That is what my research was leading to.

    DO you think it is work the money since I am breaking this thing down for a back up?

  6. #6
    PWCToday.com Is My Home Away From Home Grumpy Old Guy's Avatar
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    Re: Troubleshooting 2000 GSX RFI


  7. #7
    Frequent Poster mrwhipper's Avatar
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    Re: Troubleshooting 2000 GSX RFI

    HAHAHA! I knew you would say that.. Thanks. I am going to check the resistance of the TPS and injectors this weekend and check back in.

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