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  1. #1
    PWCToday Newbie
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    1991 Kawasaki 300SX engine swap

    I am wondering if anyone out there has some knowledge about this? Is there any engine that will bolt into a 300sx hull without doing glass work?

  2. #2
    Top Dog bandit88's Avatar
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    Re: 1991 Kawasaki 300SX engine swap

    I think a 550 goes in pretty easily. Everything else is going to be more work.
    -95 750SXI
    -86 440 undergoing PJS800 conversion
    -90 TS650

  3. #3
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    Re: 1991 Kawasaki 300SX engine swap

    So a 650sx engine is not something easy to swap in? Also does anyone know a way I can keep my oil injection system intact with a different engine?

  4. #4
    PWCToday Newbie
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    Re: 1991 Kawasaki 300SX engine swap

    There is no easy swap for a 300sx. Whatever you decide to swap in originally came with oil injection. You would want the original oil pump from the donor engine.

  5. #5
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    Re: 1991 Kawasaki 300SX engine swap

    Thanks for the info, did a 650sx come with oil injection?

  6. #6
    PWCToday Newbie Gremlin0701's Avatar
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    Re: 1991 Kawasaki 300SX engine swap

    The 300sx has a different coupler also then like a 550 or even a js300

  7. #7
    PWCToday Newbie
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    Re: 1991 Kawasaki 300SX engine swap

    What engine would be the easiest then? Something where I would not have to do glassing or change the pump. I am very new to all of this, I love my ski I just want a bigger motor.

  8. #8
    PWCToday Newbie
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    Re: 1991 Kawasaki 300SX engine swap

    I would like to stick with a waterbox as well. I just need some incite. I have access to a cnc lathe, mill, and plasma cutter so if I have to do some fabricating that is okay with me. If anyone could chime in some info that would be great!!
    Last edited by yieldsign27; 08-08-2017 at 01:09 PM.

  9. #9
    PWCToday Newbie
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    Re: 1991 Kawasaki 300SX engine swap


  10. #10
    PWCToday.com Is My Home Away From Home Rushford_Ripper's Avatar
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    Re: 1991 Kawasaki 300SX engine swap

    Lots of work to swap......Rhaas products I hear is currently making a swap kit though.


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