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Thread: 787 raves

  1. #1

    787 raves

    just pulled out a set of raves from a 787 all the coating was flaking like they had been extremely hot. 1 was stuck by this. what would cause this?


  2. #2
    There's a coating on them? I thought they were stainless steel and what you see is just a polished surface. Can you post pics?

  3. #3
    96XPSS's Avatar
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    They're definitely not stainless, and nickel-coated or something to make them more durable I guess. I've seen them delaminate when sitting in an excessively moist environment.

  4. #4
    Would it be the same coating as what Suzuki uses on their cylinders? I think it's called Nicassil?

  5. #5
    Moderator RX951's Avatar
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    Yamaha uses Nicasil also on their PWC cylinders.

  6. #6
    96XPSS's Avatar
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    Quote Originally Posted by Schwarzenegger View Post
    Would it be the same coating as what Suzuki uses on their cylinders? I think it's called Nicassil?
    I could be...I really have no idea what it is?

  7. #7
    I thought it could b nikasil, any idea what caused it to flake? don't want it to happen again. should I just polish these back or get new ones? I know the coating will make them easier to clean.

  8. #8
    96XPSS's Avatar
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    I've seen the coating wear thru on high-hour valves.

    I'd buy some new ones if I were you.

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