Kawi 750sx keeps blowing Bendix and wearing bushings

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  1. #1
    PWCToday Regular
    Join Date
    Feb 2013
    Sacramento, CA

    Kawi 750sx keeps blowing Bendix and wearing bushings

    I have a 750sxi thatís pretty hopped up. I have gone through at least 4 Bendixes and a couple stators that get destroyed in the process over the last couple years. I have tried oem, China made, all of them and they still eventually blow. I make sure to install the spring and washer, I usually give a little dab of grease on ends of shafts and teeth too. They never blow right away, usually last a couple summers so I know my install is correct. BUT

    They keep blowing up, and the bushings that set into the cases where the Bendix rides show some wear after a while, what am I missing? I just hate that these wonít hold up. They never have issues right away, just every couple yearsr itís major destruction lol

    sad thing is I get new stator and flywheel cover on eBay and the bushing in a used case (likely from stock ski) with probably over a hundred hours shows no wear.

    any advice helps, I never get symptoms until it just letís go

    what to to look out for etc.


  2. #2
    Top Dog bandit88's Avatar
    Join Date
    May 2014
    Green Bay WI

    Re: Kawi 750sx keeps blowing Bendix and wearing bushings

    Maybe it has something to do with the flywheel. Have you been using the same one through all of this?
    -95 750SXI
    -86 440 with PJS800 conversion - http://www.pwctoday.com/showthread.php?t=466927
    -90 TS650
    -91 300SX

  3. #3
    Top Dog Bionic racing's Avatar
    Join Date
    Aug 2016

    Re: Kawi 750sx keeps blowing Bendix and wearing bushings

    Have you tried a yamaha oem bendix yet ?

  4. #4
    PWCToday.com Is My Home Away From Home john zigler's Avatar
    Join Date
    Mar 2003

    Re: Kawi 750sx keeps blowing Bendix and wearing bushings

    Are you using new Bendix's? or used? If new, are they OE or the cheap gold china ones?

    If you are using used, it may be just coincidence, just getting bad or rusty drives. I see many people selling them, that are in the condition I would never use....

    If you are using cheap gold drives, they are also known to fail...

    If you are using new OE then you have another issue like stated above, flywheel, possibly crank, bushings, starter, etc.
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  5. #5
    I dream skis
    Join Date
    Jan 2007
    Earth (but just visiting)
    Blog Entries

    Re: Kawi 750sx keeps blowing Bendix and wearing bushings

    Every time I see this happen it is from a rider hitting the start button by accident when they are trying to shut the boat off. The engine is spinning a lot faster than the gear reduction can handle when it engages, it breaks the little spring that holds the weights in. Couple more starts and bingo!
    Do you ever let anyone else ride the boat? (Friends are notorious for this)
    BTW.The factory Bendix in Yamaha, Kawasaki, And Seadoo are all made by Mitsuba.

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