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truss rod wrench size on yamhas?

Discussion in 'Basses [BG]' started by basss, Jul 15, 2002.

  1. basss


    Aug 27, 2001
    Sorry for such a boring question but I lost the allen wrench that adjusts the truss rod on my Yamaha BBN5. Anyone know the size of these so I can replace mine? Thanks
  2. it's most likely a 5 mm. one... that's what it is on my BBG5...

    and on every other bass I've adjusted the truss rod on.