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  1. #1

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    Water in exhaust?

    Well I am in the process of taking off the starter on my 95 SL 750, and replacing it with the one i ripped of my water logged 93 SL 750.

    When I pulled off the Water box? (metal thing looks like a muffler attached to the exahust pipe via rubber boot) I notice it was about 1/2 filled with water. Also water came out of the exhaust pipe. Maybe about 1/4 gallon out of the tail pipe.

    Is this normal.. or did i buy not one, but two water logged waverunners? I tried to rip off the head covers on the cylinder, but it wont budge loose.


  2. #2
    Moderator beerdart's Avatar
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    Yes the water box will have some water. It sounds like you have alot of water . Pull the heads and check the crank for rust.

  3. #3
    Water Bum Rodneyae's Avatar
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    It is normal to have water in the exhaust and the water box.

  4. #4

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    I was able to get head cover # 2 off ... everything looked normal. Except for a dent on the top of the pistion, maybe this is a dumb questions, but i doubt that was stock?!?!

    I put the starter in from the 93, and it turns over fine. Now its time to get it back together.

    *I really like how the put a drain hose in the exhaust pipe on the 95.. I'm sure that helps with the water.

  5. #5
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    Dented pistons aren't stock. You got a pic?

  6. #6

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    I didn't take a picture of it.. It was a dent the size of a quarter on the top of the piston. I did however get the skit re-assembled, and started up. Taking it to the water this evening to test it out.

    I will rip the head cover off and take a pic tomorrow. I wanted to try to get heads #1 and #3 off, but they seem to be seized on. I tried hitting it up with a block of wood, no dice. I suppose I should try a propane torch and hit it?

    *off topic - Does the digital display staying on drain the battery?

  7. #7
    Water Bum Rodneyae's Avatar
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    Quote Originally Posted by bryan428 View Post

    *off topic - Does the digital display staying on drain the battery?

    Not enough to matter. It might draw a volt per 6 months of non use.

  8. #8
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    Is it a dent or crater? It's possible you are starting to hole the piston from it running lean.

  9. #9

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    Its more like a crater. It was defintely not machined. I took it out yesterday and did some plug chops.. noticed that the plugs were a burned a little rich.. possibly it was ran lean in the past. Think I should replace the pistons?

  10. #10
    polarispa's Avatar
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    Find the cause of the problem and replace the pistons

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