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  1. #1

    Join Date
    Aug 2017
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    Ultra 150 exhaust manifold leak

    Hi just got another Ultra 150 last night its a 99. It has a leak from the exhaust manifold at the seam where it bolts together over the heads. Whats the best way to fix ? Is a factory gasket still available? Thanks!


  2. #2
    steve45's Avatar
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    Feb 2008
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    Yes, the gasket is available, about $12. The expansion chamber and stinger are not available. Double check them as corrosion forms on the bottom of them. My expansion chamber had 14 pinholes in it last year, and that was in fresh water.

  3. #3

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    Aug 2017
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    Thanks where can i get one?

  4. #4
    Where can you get what a gasket?

    Oem- shspowersports

    Aftermarket- wsm

    I normally put a light layer on high temp rtv on that gasket.

    I have good stingers and pipes if needed

  5. #5

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    Is it easier to un bolt the whole thing first instead of trying to unbolt from the middle ?

  6. #6
    Wait, where exactly is the leak?

  7. #7

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    The leak is where the stinger bolts on the bottom of the 8 hole round gasket.

  8. #8
    Remove pipe and unbolt stinger and have a look. That is not a common leak point, only gasket to trust is oem for there.

  9. #9

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    Aug 2017
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    Ok my exhaust chamber has a crack under side in water jacket. Should be up and running next week!

  10. #10
    I have many many good used exhaust chambers and stingers if needed

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