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Thread: My Yamaha 621s has some black stuff on a valve. Can

  1. My Yamaha 621s has some black stuff on a valve. Can

    I remove it with an alcohol wipe? If not, what should I use?

    Thanks

    Little Jimmy
    Yamaha 621YBH
    Wessex Maly

  2. #2
    I moved your post to a more appropriate location.

    The wipes should be fine, but where do you think the black stuff is coming from?
    Dave Werden (ASCAP)
    Euphonium Soloist, U.S. Coast Guard Band, retired
    Adams Artist (Adams E3)
    Alliance Mouthpiece (DC3)
    YouTube: dwerden
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  3. #3
    Join Date
    Mar 2007
    Location
    Indianapolis area
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    A picture would be very helpful.
    Jim Williams N9EJR (love 10 meter CW)
    Formerly Principal Euphonium in a whole
    bunch of groups, now just a schlub.
    Shires Q41, Yamaha 321, 621 Baritone
    Wick 4AL, Wessex 4Y, or whatever I grab.
    Conn 50H trombone, Blue P-bone
    www.soundcloud.com/jweuph

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