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Thread: Crank couplers

  1. #1

    Crank couplers

    Searched for this answer but if anyone can point me in a direction that would be great. I have a 1995 Sl750 that shelled the engine. I picked up a replacement engine that has a different pto coupler. The one on the ski originally was a large balancer looking one. The one on the replacement motor is smaller and has a rubber isolator. Is one better then the other? Should I swap to the one that originally came on the ski?


  2. #2
    BlueFishCrisis's Avatar
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    Quote Originally Posted by Iroc-z View Post
    Searched for this answer but if anyone can point me in a direction that would be great. I have a 1995 Sl750 that shelled the engine. I picked up a replacement engine that has a different pto coupler. The one on the ski originally was a large balancer looking one. The one on the replacement motor is smaller and has a rubber isolator. Is one better then the other? Should I swap to the one that originally came on the ski?
    Sounds like you are describing this

    http://www.ebay.com/itm/POLARIS-PWC-...r#ht_500wt_959

    While I think these are the more common types....

    Click image for larger version. 

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    Either of the pictured ones will work. I use the smaller steel ones, but I have heard the larger rubber bonded couplers can help reduce vibration..... May depend on what you have as a PTO guard as well. The two pictured items use different guards/covers.

  3. #3
    The replacement engine came with the one on the left. The one on the right kind of looks like the original one but is missing the larger 6-7 inch balancer attached to it. I would rather have the one that reduces vibration due to the fact that this is stock and ridden nicely.

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    BlueFishCrisis's Avatar
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    The ebay link in my previous post sounds like the original...... Up to you, preference only I believe....

  5. #5
    Thanks guys.

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