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  1. #1
    matt160580's Avatar
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    pro 785 drive shaft removal - wont come free

    I'm the process of rebuilding my ski and need to take out the engine. If removed the pump and extension body but the drive shaft has stayed in place? It won't budge? Any advice?


  2. #2
    Click avatar for tech links/info, donation request K447's Avatar
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    Sometimes the shaft gets stuck in the PTO coupler, or the shaft may be binding/rusted in the through-hull bearing.

    If you have the jet pump off, then the drive shaft just pulls straight out. Wiggle and pull. Be prepared for when it lets go.

    If it is truly bound up inside the through-hull bearing, then you may need to lift the engine and take the whole drive shaft+bearing assembly out from the front.

  3. #3
    thester71's Avatar
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    Try pulling on the shaft from behind, while a helper gently taps the coupler with a hammer, the seal on the end of the solid coupler makes it difficult to remove. Is it at least moving around while your trying to remove it, or is it frozen solid? I had to sit on the ground behind my 750, put my feet on the back edge of the ride plate and grab the shaft and pull and wiggle side to side.

  4. #4
    matt160580's Avatar
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    Cheers, the coupler on the PTO does that need to be loose? My PTO cylinder has bust shatteres the botto end of the rod could this cause enough damage to wedge it in?

  5. #5
    matt160580's Avatar
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    It's jammed solid no movement at all. Wish I had a helper right now or longer arms!

  6. #6
    thester71's Avatar
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    Is the motor locked up? If so, just remove the coupler by turning counter clockwise with a wrench, If the engine is not locked up, then do the rope trick down the pto spark plug hole and remove the coupler that way. Then once the motor is out, you can loosen the clamp on the thru hull bearing and take the shaft/bearing/ coupler out through the inside of the hull like k447 said.

  7. #7
    matt160580's Avatar
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    Cheers fellas

    I tide a strap round the end and rapped the other end around my so I cold get some muscle behind it. It's came free pretty easily like this.

    Click image for larger version. 

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