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Thread: SLX 780 Heads

  1. #1
    AT_Viper's Avatar
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    Question SLX 780 Heads

    Wondering if I can interchange pto mag and middle heads with each other. i.e. Use a pto head on the middle cyclinder, etc..? Please let me know thanks


  2. #2
    Lake Mead Bum & BTLS Mark starflight's Avatar
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    Yes you can.

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    AT_Viper's Avatar
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    Ok, thanks. Now I just need to find some pistons!

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    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    Sure can.

    What size pistons are you looking for, and how many?

  5. #5
    AT_Viper's Avatar
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    Im looking for 2 or 3 Polaris 780 pistons with good rings!

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    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    Which is it? 2 or 3

    What size? Standard, .25mm (10 thou), .5mm (20 thou) oversized?

  7. #7
    AT_Viper's Avatar
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    Got all new pistons, figured it was only smart to just get new ones while i was in and had it apart.

  8. #8
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    Make sure to do a leak down test. That should catch a problem before it becomes one.

    You need to find the cause of the previous issue, or it'll do it all over again.

  9. #9
    AT_Viper's Avatar
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    Well I am 99% sure that the piston problem was do the an extremely lean mixture. This is based on the piston wash and the blown off sides. I just need to run a tank through and look at the wash and keep an eye on it. Oil pumps fine same with the fuel pump. Thanks though for making me think lol.

  10. #10
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    Often an air leak will result in a lean mixture. That's why I suggest a leak down test.

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