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  1. #1
    PWCToday Newbie
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    Running jet ski out of the water

    i have a 78 JS440 and she needs a little bit of work done to her, im in the process of trying to get it to start, itll turn over but wont start fully. I was just wondering if i can connect my garden hose up to the cooling hose and let the water run while i try and start it. cuz i know your not supose to run them out of the water for more than 10-15 sec.

  2. #2
    resident guru Jet1100STX's Avatar
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    Re: Running jet ski out of the water

    Don't run the water till the ski starts. You don't want it to backflow into the engine.
    99 Kawasaki 1100 STX
    96 Kawasaki 1100 ZXi
    Solas impeller, Ocean Pro rideplate, WORX intake grate, TDR Waterbox, Twist Sponsons
    87 Kawasaki X2- in progress JetSport Flame arrester,Mikuni 44bn carb, JetSport intake, Rear exit Exhaust, WC bilge bracket, WC oversize fuel tank w/ WC pick up,Coffman Exhaust,West Coast Intake Grate, PJS Ride Plate, Quickturn, Hood mod

  3. #3
    PWCToday Regular almost_there6's Avatar
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    Re: Running jet ski out of the water

    No don't hook up water to the ski unless the motor is running.
    '92 SN almost all stock

  4. #4
    PWCToday Newbie
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    Re: Running jet ski out of the water

    k..thanks

  5. #5
    Spongebob PWCToday.com Is My Home Away From Home attnondeck's Avatar
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    Re: Running jet ski out of the water

    just run it till it gets hot then let it cool. dont over heat it! you can run it out of the water for short periods of time.
    Brendan

    1990 SN SJ 701 1990 SN Super Jet 650 Winter build
    1990 550SX
    1990 300SX





  6. #6
    I dream skis
    Join Date
    Jul 2003
    Location
    Pearland, TX
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    514

    Re: Running jet ski out of the water

    Dont worry about the hose if you are just getting it to fire and shutting it down. If you can fire it and shut it down and then repeat, you know you got the thing running. Your next move is to tune it and thats not a hose operation. I personally like to only use the hose for flushing the system (saltwater brine). Otherwise, all tuning and testing is done at the lake especially if you are keeping the motor running for more than a few seconds.
    Last edited by soonerkid; 04-15-2010 at 11:49 PM.
    701 Square - with all the goodies

  7. #7
    I dream skis GasIt440JS's Avatar
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    Re: Running jet ski out of the water

    Old rule of thumb 15 & 15
    Run it for 15 seconds
    Let it cool for 15 minutes
    1982 JS 440: Kerker pipe, OP ride plate

    1989 JS 440 Hull: PJS Viper 7000

    1990 X2 650 the new kid on the block

    1992 Kawi Sport Cruiser 650 [The Build]

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