SBT Jetski Engines, Parts & Accessories

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  1. #1
    Jun 2017

    Default yamaha XL800 cavitation

    my 2000 Xl800 was experiencing cavitation when I started out and the engine would rev up to 7000 rpm and not go anywhere. I replaced the impeller with a remanufactured one from SBT and also bought a new wear ring and housing. the wear ring is plastic. after installing it I water tested it. the very first time I had only a slight rev up and it took off like it should. after stopping and starting several times it got so bad I can't do 10mph and won't get up on plane. it just revs out. what else could be wrong?

  2. #2
    Jun 2016
    Clearwater, Florida

    Default Re: yamaha XL800 cavitation

    Check the Pump seals on intake grate and intake duct.

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