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Thread: Abrupt stop

  1. #1

    Abrupt stop

    Hi,
    I am a newbi to the forum as I have just purchased 2 '94 750 slt's. One of my ski jets will start and run for a bit and then stop very abruptly. it seems mechanical as I have to bump the starter to a point where the engine will turn over quickly enough to fire up again. . it almost seems like the engine is hydolocked but I know it isn't since it will start and run for a few minutes. I am at a loss. any ideas?

    jay


  2. #2
    Click avatar for tech links/info, donation request K447's Avatar
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    Welcome

    See my signature links for useful info for new owners.

    My initial guess is that the jet pump is locking up, probably due to seized bearings. Do not ride this machine until you have diagnosed and repaired the problem.

    In fact, don't ride either one ... Until you have done some homework on here.

    There are a bunch of things to do up front to avoid potential engine damage, especially regarding the fuel system and carburetors.

  3. #3
    I removed the jet pump and housing to try to narrow down the problem and the motor did the same thing with just a straight shaft. I also checked compression and it is the exact same as before the problem cropped up.

  4. #4
    Click avatar for tech links/info, donation request K447's Avatar
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    You can also remove the drive shaft. It should slide straight out, after an initial tug.

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