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Front brake switch thread pitch

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  • Front brake switch thread pitch

    1975 FLH. Just curious what tap would be needed to clean the threads in the front brake switch housing. I purchased chrome handlebar controls a while back and when I went to change out the switch the replacement broke because the threads were too tight. I'm sure it's chrome overlay so I wonder if this is a thread pitch out in left feild or a standard pitch.

    Anyone know what tap size I need to chase the threads?


    `````````````````*** 1975 FLH ***`````````````````````
    ```````````*** 1962 Volkswagen type 1 ***```````````````
    --------------------------------------------------------------
    Nothing screams poor workmanship like wrinkles in the duct tape.

  • #2
    I've downloaded a HD parts manual, and it says it's a 1/8-27 NPSF fitting, part number 63609-72. Want a copy?
    Not what you expect from this forum
    Forum fucktard
    Winner of the Asshole thread...

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    • #3
      The threads on the front brake switch on my 70 model 1/4 - 32 NSF
      ​​​​​​
      Location: Along the Lincoln Hwy
      This bike was mine
      We are not alone.
      Enjoy this life, the next one might just suck big hairy donkey balls.

      Comment


      • #4
        The threads on the front brake switch on my 78 FLH is also 1/4 32 and the tap is special order. NSF is 28 threads per in.

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        • #5
          Originally posted by Bone Head View Post
          I've downloaded a HD parts manual, and it says it's a 1/8-27 NPSF fitting, part number 63609-72. Want a copy?
          And mine is wrong; that's a p/n for the tube fitting. Sorry!
          Not what you expect from this forum
          Forum fucktard
          Winner of the Asshole thread...

          Comment


          • #6
            Originally posted by Bone Head View Post

            And mine is wrong; that's a p/n for the tube fitting. Sorry!
            well Mel there go all the atta boys ya got about the caliper and instrument info wink.png
            Bone Head
            1954 FL ~ 1978 FLH ~ 1997 FXD

            Huntin', Fishin', And Lovin' Every Day

            If You're Too Busy To Take A Kid Fishin' or Huntin'
            , You're Just Too Busy!

            Location: Pine Log, in Northwest Georgia

            Comment


            • #7
              And I


              `````````````````*** 1975 FLH ***`````````````````````
              ```````````*** 1962 Volkswagen type 1 ***```````````````
              --------------------------------------------------------------
              Nothing screams poor workmanship like wrinkles in the duct tape.

              Comment


              • #8
                Crap. First time I have had a problem posting from my phone.


                `````````````````*** 1975 FLH ***`````````````````````
                ```````````*** 1962 Volkswagen type 1 ***```````````````
                --------------------------------------------------------------
                Nothing screams poor workmanship like wrinkles in the duct tape.

                Comment


                • #9
                  my '81 FX is 1/4-48
                  Jimbo
                  81 FXB--Sapphire

                  Comment


                  • #10
                    Originally posted by HDRyder View Post
                    my '81 FX is 1/4-48
                    Greaaaat... Another thread pitch.
                    This is what we call the perverbial turd in a punch bowl.
                    I need to get my last switch out and see if I can find someone with one on the shelf to match up to.


                    `````````````````*** 1975 FLH ***`````````````````````
                    ```````````*** 1962 Volkswagen type 1 ***```````````````
                    --------------------------------------------------------------
                    Nothing screams poor workmanship like wrinkles in the duct tape.

                    Comment


                    • #11
                      are you talking about the switch that has 2 wires going to it?
                      1954 FL ~ 1978 FLH ~ 1997 FXD

                      Huntin', Fishin', And Lovin' Every Day

                      If You're Too Busy To Take A Kid Fishin' or Huntin'
                      , You're Just Too Busy!

                      Location: Pine Log, in Northwest Georgia

                      Comment


                      • #12
                        Originally posted by jsoko View Post
                        are you talking about the switch that has 2 wires going to it?
                        Yessir that be the beast.


                        `````````````````*** 1975 FLH ***`````````````````````
                        ```````````*** 1962 Volkswagen type 1 ***```````````````
                        --------------------------------------------------------------
                        Nothing screams poor workmanship like wrinkles in the duct tape.

                        Comment


                        • #13
                          I went and got a switch
                          my smallest tap & dies are 1/4" - 28 NF

                          I can only tell you that it is not 1/4" - 28 NF
                          it is 1/4" but finer threads

                          I know that doesnt help but i had to see for myself

                          take yours to a store that sell dies and find the one it goes in and then buy that tap
                          1954 FL ~ 1978 FLH ~ 1997 FXD

                          Huntin', Fishin', And Lovin' Every Day

                          If You're Too Busy To Take A Kid Fishin' or Huntin'
                          , You're Just Too Busy!

                          Location: Pine Log, in Northwest Georgia

                          Comment


                          • #14
                            I laid it on a 1/4" - 28 NF tap
                            it is so close that i would have to say like the first couple of post that it is 32
                            1954 FL ~ 1978 FLH ~ 1997 FXD

                            Huntin', Fishin', And Lovin' Every Day

                            If You're Too Busy To Take A Kid Fishin' or Huntin'
                            , You're Just Too Busy!

                            Location: Pine Log, in Northwest Georgia

                            Comment


                            • #15
                              Originally posted by hd74cid View Post
                              1975 FLH. Just curious what tap would be needed to clean the threads in the front brake switch housing. I purchased chrome handlebar controls a while back and when I went to change out the switch the replacement broke because the threads were too tight. I'm sure it's chrome overlay so I wonder if this is a thread pitch out in left feild or a standard pitch.

                              Anyone know what tap size I need to chase the threads?
                              I gave up trying to get those switches to last, I just added a tee with another hole and put a switch there and a lil re witring.. only issue is I need to get some better wire, it breaks off .. maybe a crimp instead of solder (?)
                              Kevin
                              sigpic

                              "To The Great Northern Retreat, Ye son's of Freedom"
                              CHROMOSEXUAL AND PROUD!!

                              Comment

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