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  1. #1

    2006 gtx running on trailer but wont rev up in water

    just bought a 06 gtx 155 took it out for its maiden run and didnt have much luck, it will rev to about 3000 then will spike to 5-6000 then carry on up and down constantly, i couldnt get over 10km/h. it will rev right out on the trailer no worries. its only got 30hrs on the clock any ideas? cheers.


  2. #2
    imp0ster's Avatar
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    bad gas

  3. #3
    This is how I run a jetski shop in the desert nmpeter's Avatar
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    running on the trailer means very little. Change the spark plugs..if that doesn't do it you are going to have to assume the fuel has turned ( assuming the ecu isn't providing a maintenance warning/code)

    I'd be you have a fouled plug ( 4-tec plugs will often _look good_, but in reality they are glaze-fouled and under cylinder pressure, they will simply bleed the spark off to ground and not across the gap._

    hopefully, it's the plugs..draining fuel is far from a fun way to spend an afternoon.

  4. #4
    I just filled it up with fresh fuel, it's been sitting for 12mths. 1 spark plug's ceramic tip was white the other 2 were black. So does that mean 2 plugs were fouled? I'm replacing them all today so see how that goes. The guy said is ran fine last time he used it..

  5. #5
    This is how I run a jetski shop in the desert nmpeter's Avatar
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    yes, black plugs mean trouble.

    in regards to the "ran fine the last time I used it..."

    do not ever get me started on that.

    I'm sure you had a blast. Seeing you had some year old fuel in the tank, likely you will have to change plugs again, unless more then say 2/3 of the fuel in the tank was fresh stuff.

  6. #6
    ok so new plugs and it runs sweet now, but now i need a new wear ring it will bounce of limiter and bearly move

  7. #7
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by jonesy383 View Post
    ok so new plugs and it runs sweet now, but now i need a new wear ring it will bounce of limiter and bearly move
    From idle it will not accelerate even though the engine is revving?

    Have you inspected the jet pump?

  8. #8
    This is how I run a jetski shop in the desert nmpeter's Avatar
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    "ran fine the last time I used it..."

    something that doctor house used to say comes to mind...

    "people lie"

    at least the problems weren't very large.

  9. #9
    yeh it moves but pretty slow.. the pump is at the shop now getting rebuilt the bearings are flogged because someone didnt put the o'rings back in the cone and wear ring is flogged as well.

  10. #10
    MY impeller clearance is 20tho, .5mm is this ok? What's the limit?

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