master cylinder reassembly

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  • old_chopper
    Truly XSive
    • Sep 2010
    • 120
    • Oklahoma

    #1

    master cylinder reassembly

    I took the rear master cylinder apart on my XS1100 to clean the 20 year old goop out. It didn't come apart easily and I couldn't see order the parts came out. I'm calling the brake line end the front for explaination purposes. There is a spring which obviously goes in first but is it big end or small end first, then there is a cup seal and a flat washer. Which of these goes first? Does the cup side of the seal face forward? How about the seal on the piston, face forward or backward? I looked in the manual I downloaded but the pictures are horrible.
    US Army 1986-1991

    1979 1100 Special (on the road after 16 years!)
    1983 GS300L (wifes ride)
    1985 Super Glide
    2012 Super Glide
  • DenyP
    XSive Maximus
    • May 2008
    • 599
    • Staples, Minnesota 56479

    #2
    Try this!http://www.stadiumyamaha.com/pages/O...G_-_1980/BRAKE

    Deny
    1978 XS1100E - The TimeMachine
    1980 XS850 Special - Little Mo

    Comment

    • bikerphil
      Master of XSology
      • Jan 2008
      • 8640
      • South Flori-DUH

      #3
      Maybe a little clearer....

      2H7 (79) owned since '89
      3H3 owned since '06

      "If it ain't broke, modify it"

      Comment

      • Jarion
        XSive
        • Mar 2011
        • 61
        • Lavon, Texas

        #4
        Nice!

        I'll be using this in a few weeks when I dive in for exploratory surgery to find, and cleanout the "SPLUGE HOLE"
        Thanks!

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