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Own one of the newer Yamaha BB basses?

Discussion in 'Basses [BG]' started by bigbajo60, Mar 2, 2008.

  1. bigbajo60


    Nov 7, 2003
    Laredo, Texas
    Hopefully one of you can help me out here. :help:

    My son recently purchased a used BB415 that needs a trussrod tweak, but the bass came without that accessory.

    What size hex key do we need to use on that bass? It seems to me that it's going to be Metric, since the ones I have on hand for all of my other basses are Imperial and just don't fit.

    Thanx for any info you can send along! :D
  2. Strongjag


    Aug 14, 2005
    Ottawa, Ontario
    Endorsing Artist: Beards.
    I'll check mine in the morning :p
  3. Earwigger

    Earwigger I'm a Roland man now.

    Aug 23, 2005
    Cleveland, Ohio
    It's a Metric gauge "5". I just tested it on my BB415 and it fit great. I have the original too, which is a great little tool as it fits very comfortably in the truss rod recess.
  4. bigbajo60


    Nov 7, 2003
    Laredo, Texas
    Five mm's sounds like it should be right, 'cause a 3/16ths Fender truss tool was just the slightest bit loose in the socket, and according to a sizing chart I found, a 5 mm would be the next metric size up from that 3/16ths wrench.

    Many thanx!

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