79 750 Tach drive threads

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  • NBraun
    • Feb 2026

    #1

    79 750 Tach drive threads

    Hi there,

    I'm curious if anyone knows the thread pitch of the tach drive off of a 79 750 motor. I'm not running a tach, and need to make a plug to thread in there.

    Thanks!
  • hannibal
    Forum Sage
    • Jun 2015
    • 1033
    • Washington DC

    #2
    It would be a huge bolt like M12 is my guess. At that size, they usually only come in one pitch I think. With that said, there's no guarantee it's a standard size since it wasn't designed to take a bolt.
    Jordan

    1977 Suzuki GS750 (My first bike)
    2000 Kawasaki ZRX1100
    1973 BMW R75/5

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    • Guest

      #3
      It's 18mm x 1.5

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