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  1. #1
    clydethepirate's Avatar
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    Well it happened.

    After all of my preperation of replacing fuel lines, fuel pump w/ triple outlet, New fuel filters, New plugs, checked pop off, checked crank position.
    I was trucking across beautiful Shoal Bay and just lost power. ........Hole in center piston.
    In the process of getting new piston but is there anything I overlooked?


  2. #2
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    Did you clean or rebuild the carbs?

  3. #3
    I'm addicted to Polaris PWC ghostinstallations's Avatar
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    Quote Originally Posted by clydethepirate View Post
    is there anything I overlooked?
    You need to check piston wash. After I do a carb rebuild or any fuel work, you take it out and do lot of varying throttle. Dont hold any one position too long. Drive for a bit and check wash. Do this several times before you hold WOT. Otherwise you are likely to kill a piston.

    I did the same thing when I first started. Carbs, fuel pump, the whole nine. Then popped a hole in a piston in short order.

  4. #4
    clydethepirate's Avatar
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    The carbs were supossed to be rebuilt by the previous owner before I got it but I cant say for sure.

  5. #5
    clydethepirate's Avatar
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    I was reading about the process of varying throttle after work and I did not do that. could be the problem.

  6. #6
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by clydethepirate View Post
    I was reading about the process of varying throttle after work and I did not do that. could be the problem.
    Varying the throttle during engine break-in is simply to help the piston rings seal well against the cylinder walls. Not varying the throttle just means you are perhaps going to have a sub-optimal piston sealing long term.

  7. #7
    clydethepirate's Avatar
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    I don't think I'm going to put anymore money into this ski. I need/Want a bigger one so I think I'm going to put it on the auction block.

  8. #8
    Rasta Mon Condoms We Be Jammin!!!!! TxVirageTx's Avatar
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    maybe no return restriction after replacing the fuel lines??

  9. #9
    clydethepirate's Avatar
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    Return restrictor is there, I thinking the carbs were not rebuilt like I was told. Reason I'm thinking that is I looked at it a little while ago and the paint on the screws is still sealed.

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