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  1. #11

    Ultra 250x bent valve

    Here is the bent valve and valve rust. Below the seat, everything is actually pretty clean. This head sadly only has about 10 hours on it, if that. It was replaced last year and is supposedly from a newer year that doesnt have as many casting issues.

    Also, I do have the manual and have read as much as I could find on these, so any input at all is greatly appreciated.

    I did remember to number and keep the lifter covers/tappets in order, so that the little magnetic shims will go back where they started.
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  2. #12
    dcuhpw's Avatar
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    For valves you can run the Ferrea, Kibble white or you can see if APE performance has them back in stock. Personally I run the férreas. Vinegar help break down the salt build up well but just don’t soak it for too long since it’s still quite corrosive. A few hours is fine though. Riva makes my favorite valve spring compression tool. Kibble white makes some nice valve stem seals. Ape performance sells some nice springs also but normally the stock ones are good for pretty high rpm.

  3. #13
    dcuhpw's Avatar
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    The Riva valves here on our store are the Férreas. 10% forum discount as well. Still not as cheap as the ape ones but the quality and materials is very high,

  4. #14
    I'd probably take it by to a machine shop and have the make sure she's true and have them install the valve stems while it's there nothing qorse than doing things twice in confined spaces. If memory serves me correct theRiva valve spring compressor is $250+ and if tour not foing to use it regularly it's better to spend the money with a reputable machine shop, good luck with the build!


  5. #15
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    Quote Originally Posted by Foxdecoy View Post
    I'd probably take it by to a machine shop and have the make sure she's true and have them install the valve stems while it's there nothing qorse than doing things twice in confined spaces. If memory serves me correct theRiva valve spring compressor is $250+ and if tour not foing to use it regularly it's better to spend the money with a reputable machine shop, good luck with the build!
    Yeah that’s all very true. I will say though, it’s pretty easy to re-sell that valve tool for prob $200 or so.

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