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  1. #1
    policano's Avatar
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    94 WetJet no thrust

    hello Polaris friends,

    I have a 94 WetJet by MasterCraft and i have it running and revs great. Put it in the water and i have no thrust. At full throttle its hardly moving. Does anyone have anything i need to checkout? I can't for the life of me figure it out.


  2. #2
    urugol's Avatar
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    Quote Originally Posted by policano View Post
    hello Polaris friends,

    I have a 94 WetJet by MasterCraft and i have it running and revs great. Put it in the water and i have no thrust. At full throttle its hardly moving. Does anyone have anything i need to checkout? I can't for the life of me figure it out.
    Check your jet pump and look inside the intake grate for blockages. Could have some left over seaweed in there. If clear you should also check your impelle and drive shaft splines for any damage (the latter requires you to remove the pump).

  3. #3
    RLACEMAN's Avatar
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    If this is the Duo 200, this has the Brute engine & pump, these use a keyway for the impeller that is probably sheared. Loosen the big "collar" around the pump, pull pump off, then pull out the impeller, these also should have a plastic wear ring that could be damaged.

  4. #4
    policano's Avatar
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    Thanks for the tips. We worked all afternoon on trying them and still couldn't find anything. Everything appears to look good from there. I see no wear or damage.

    Sigh

  5. #5
    This is how I run a jetski shop in the desert nmpeter's Avatar
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    most of the wetjets i.ve worked have had yamaha running gear and engines.

  6. #6
    policano's Avatar
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    This one has the Brute motor.

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