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  1. #1

    Unhappy 2001 GPR sparks twice that's it need help!!!

    I have a 2001 Yamaha gpr
    that I completely overhauled
    new pistons new riva heads
    after rebuild I would only get spark
    once twice and that's it
    swapped out stator pickup coil
    both my stators and pick up coil have readings unloaded
    Checked my Cdi was faulty from advents ignitions
    so I went ahead and got an oem Cdi tested 3 of them
    still no spark swapped out my electrical box
    And still no spark I'm mind fuxked at this point
    any help I have service manual exhaust temp has been replaced with
    new one everything is new still no spark black and white has been disconnected kill switch
    still no spark please help all help is appreciated in desperate need to get my baby back
    on the water


  2. #2

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    recheck all your grounds.

  3. #3
    There's only one the rest are in the electrical box and I switched that out :/

  4. #4
    GGG's Avatar
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    You have the right flywheel? putting a 1300 flywheel on there would cause that.
    Dont ask me how I know

  5. #5

    Unhappy

    Quote Originally Posted by GGG View Post
    You have the right flywheel? putting a 1300 flywheel on there would cause that.
    Dont ask me how I know

    I just don't wanna swap parts like a chump either
    been wasting money try to figure it out
    I wouldn't even know if it had a 1300 wheel
    bought it blow rebuilt it and Wolla no spark lol

  6. #6
    GGG's Avatar
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    I think the carbureted flywheel has 3 equally spaced squares around the outside of it for the ignition trigger and the fuel injected flywheel has a few squares right next to each other and that's it

  7. #7
    powerstroke specialist mikegp's Avatar
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    also did you check the wires with a multimeter? [spark plug wires] [ohm]

  8. #8
    Quote Originally Posted by mikegp View Post
    also did you check the wires with a multimeter? [spark plug wires] [ohm]

    Well ill I swapped out the electrical box it could be weird that another
    electrical box of a running ski would have the same issue and the fly wheel I'll take a look
    at it it's really got me puzzled as to the previous owned did some shit before giving up

  9. #9
    GGG's Avatar
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    You check the flywheel yet?

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