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yamaha vxr driveshaft issue

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  • yamaha vxr driveshaft issue

    kids took out 1991 yamaha vxr 650 over weekend--heard pop--died.
    engine runs and intermediate driveshaft turns, but driveshaft to jet pump does not.
    removed intake grate and you can spin shaft by hand--very easily.
    could the shaft have broken or pulled out of connector? Doesn't it have a spline on the front end?
    do I need to drop jet pump and pull shaft out for examination?
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