1991 440 pump driveline vs 87 550 pump driveline
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  1. #1
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    1991 440 pump driveline vs 87 550 pump driveline

    To all, I have a few questions. I just purchased a 1991 440 to do a 750 swap. I wanted a 550 hull but found this one for cheap. This 440 has through the hull exhaust like a 550sx. The guy I purchased it from also gave me a 550 pump and drive line from a 1987 550. My questions are, will the 1987 550 pump and driveline fit into this 440 hull. I wasn’t sure if a 1991 440 had a similar (smaller diameter) drive line to the 550sx being that they changed the hulls. And will this 87 550 driveline and pump just bolt in, or do I need to get a 550sx pump, and will that bolt on to the existing 1991 440 drive line, or do I also need to find a 550sx drive line as well. Any other advice (how to align all of this, once I get my 750 engine, as well as impellers choice is appreciated) . Thanks

  2. #2
    PWCToday.com Is My Home Away From Home bandit88's Avatar
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    Re: 1991 440 pump driveline vs 87 550 pump driveline

    The 87 550 pump and driveshaft will bolt right in. If the 440 pump is decent and you want to sell it, let me know.
    Last edited by bandit88; 05-05-2019 at 01:10 PM.
    -95 750SXI
    -86 440 with PJS800 conversion (now 650) - http://www.pwctoday.com/showthread.php?t=466927
    -92 750SS
    -81 JS440
    Parts for sale HERE

  3. #3
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    Re: 1991 440 pump driveline vs 87 550 pump driveline

    Will the 550 pump slide onto the 440 drive line? Or will it only fit the 550 driveline. I think the 440 pump it decent, but I’ll post some pics for you. Will sell or trade for other parts.

  4. #4
    PWCToday.com Is My Home Away From Home bandit88's Avatar
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    Re: 1991 440 pump driveline vs 87 550 pump driveline

    you will need to use the 550 driveshaft with the 550 pump. Once you have the two side by side you will see why.
    -95 750SXI
    -86 440 with PJS800 conversion (now 650) - http://www.pwctoday.com/showthread.php?t=466927
    -92 750SS
    -81 JS440
    Parts for sale HERE

  5. #5
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    Re: 1991 440 pump driveline vs 87 550 pump driveline

    Thanks, here are the pics of the 440 pump. There is no impeller. Overall it pretty clean, and the wear ring looks good. 79368886-36F8-42E3-AB53-E425D896F7D9.jpegEA00F7F1-BD31-4B23-8630-49FF7EDBA31B.jpeg926C0A4B-1647-45B2-8DAD-9727B04EAAB7.jpeg

  6. #6
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    Re: 1991 440 pump driveline vs 87 550 pump driveline


  7. #7
    Attention ***** PWCToday.com Is My Home Away From Home JonnyX2's Avatar
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    Re: 1991 440 pump driveline vs 87 550 pump driveline

    Post in the Kawasaki or Vintage section.
    Quote Originally Posted by Firebird A/C&Heating View Post
    OMG.....Rules for 550 vintage ski class...550 ski riders do not conform to any kind of rules. That is why you are riding a 550 ski in the first place. Rules suck....
    PS...the rule book will be in my 550 pump
    Quote Originally Posted by WB1994
    Listen , stop your cryin' , its only an X2.

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