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

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  • LittleJimmy
    Senior Member
    • Jan 2013
    • 160
    #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
    Tags: None
  • davewerden
    Administrator
    • Nov 2005
    • 11136
    #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, Wick 4AL, Wick 4ABL
    YouTube: dwerden
    Facebook: davewerden
    Twitter: davewerden
    Instagram: davewerdeneuphonium

    Comment

    • Snorlax
      Senior Member
      • Mar 2007
      • 1003
      #3
      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

      Comment

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