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Thread: Master Cylinder Screws

  1. #1
    Join Date
    Apr 2017
    Cross Junction, VA

    Default Master Cylinder Screws

    Does anybody know the size of these screws? I want to go with stainless.


  2. #2
    cowboyup3371's Avatar
    cowboyup3371 is offline Forum LongTimer Past Site Supporter
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    Join Date
    Apr 2010
    In Ohio Now


    What bike?

    So I just found your other thread where you say the bike model and I was able to find the information in one of the many parts fiches out there. Based on what I see it's a M4 x 50mm long. However, PLEASE MEASURE IT TO BE SURE

    It would be best to put the bike model in your signature and doesn't have to be anything fancy.
    Last edited by cowboyup3371; 04-26-2017 at 08:49 PM.

    Cowboy Up or Quit. - Run Free Lou and Rest in Peace

    1981 GS550T - My First
    1981 GS550L - My Eldest Daughter's
    2007 GSF1250SA Bandit - My touring bike

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  3. #3
    max parsons Guest


    It's a good idea to use Allen screws.If you ever damage the screw you can still get it out using a small pointy nose vice grips.

  4. #4
    Join Date
    Apr 2017
    Cross Junction, VA


    Thanks for he info. I saw that size, m4 x 50mm somewhere during my research but wasn't totally convinced on the length since the old screws crumbled, along with the reservoir while I was dismantling it. Some parts I am reusing seem to be okay but then there are those, well, I'm sure everybody knows about 35 year old motorcycle parts.
    1981 Suzuki GS450S
    2013 Suzuki DR650
    2005 Honda Shadow VLX
    2006 Honda Shadow VT750C Aero
    1980 Honda CX500 Deluxe
    Past Bikes
    2007 Yamaha XT225
    1983 Honda CX650 Custom
    1978 Honda XL100

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