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Thread: Yamaha EXUP

  1. #1
    Join Date
    3rd June 2006 - 13:06
    Bike
    Yamaha FZR400R 1990, KLR650 Tengai.
    Location
    Christchurch
    Posts
    6

    eek Yamaha EXUP

    I HAVE A FZR400RR, I need to replace the exup valve bushes. Does anyone know what material I can use? thanks.

  2. #2
    Join Date
    13th June 2010 - 17:47
    Bike
    Exercycle
    Location
    Out in the cold
    Posts
    4,956
    Quote Originally Posted by mecht1 View Post
    I HAVE A FZR400RR, I need to replace the exup valve bushes. Does anyone know what material I can use? thanks.
    Cast iron. For a source, talk to an engine reconditioner who makes valve guides for vintage engines. George Calder would be a good starting place.
    I will no longer see PM's on this a/c. If you wish to PM me, use grumphv2 a/c please - and include an email address if you require a reply.
    Thanks

  3. #3
    Join Date
    2nd March 2018 - 15:32
    Bike
    1998 Yamaha R1
    Location
    Auckland
    Posts
    562
    I have a spare set made for a 99 R1 in the UK. I thought they were made from steel, but let me check.

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