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  1. #1

    800cc hp at jetdrive

    my friend has a 2002 yamaha 800 waverunner. not sure on the exact model, but i understand that it makes about 120 hp. but how much horsepower does thing thing honestly make at the jet? especially after years of wear and tear.


  2. #2
    Yammie quesiton in Kawi forum?
    Besides, you can't measure hp at the jet.
    You measure the thurst.

  3. #3
    woops i posted in the wrong section. maybe a mod will move it.

  4. #4
    steve45's Avatar
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    Nowhere near 120 hp. My 1100 cc Yamahas out out 110 hp.

  5. #5

    Re: 800cc hp at jetdrive

    More like 80hp

  6. #6
    slothman's Avatar
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    Quote Originally Posted by steve45 View Post
    Nowhere near 120 hp. My 1100 cc Yamahas out out 110 hp.
    wrong, the GP800s have 120 HP at the crank.

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