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Installing lower bearing on steering stem??

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  • Installing lower bearing on steering stem??

    I have new steering stem bearings and need to install the lower on the steering stem. Obviously it flanges at the end so how are these typically installed - pressing them or beating them in?
    _____________________
    78 XS1100 - mainly stock

  • #2
    I used the old race and tapped it into place.
    Nathan
    KD9ARL

    μολὼν λαβέ

    1978 XS1100E
    K&N Filter
    #45 pilot Jet, #137.5 Main Jet
    OEM Exhaust
    ATK Fork Brace
    LED Dash lights
    Ammeter, Oil Pressure, Oil Temp, and Volt Meters

    Green Monster Coils
    SS Brake Lines
    Vision 550 Auto Tensioner

    In any moment of decision the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing.

    Theodore Roosevelt

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    • #3
      Take the inner part of the old lower bearing and cut a slot in it top to bottom. It will now fit exactly upside down on the new bearing and can be used to hammer the new bearing on the stem. The slot is so it won't also get pressed on the stem. A piece of pipe or an old fork tube might come in handy to hammer it down. Don't forget to install the new grease seal before the bearing goes on.
      2H7 (79) owned since '89
      3H3 owned since '06

      "If it ain't broke, modify it"

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      • #4
        As always, there's a tool for that. You need a race driver.


        You can probably do the job with a brass drift, if you're careful.
        Marty (in Mississippi)
        XS1100SG
        XS650SK
        XS650SH
        XS650G
        XS6502F
        XS650E

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        • #5
          Yeah you can buy that, but what fun is having the right tool....
          Nathan
          KD9ARL

          μολὼν λαβέ

          1978 XS1100E
          K&N Filter
          #45 pilot Jet, #137.5 Main Jet
          OEM Exhaust
          ATK Fork Brace
          LED Dash lights
          Ammeter, Oil Pressure, Oil Temp, and Volt Meters

          Green Monster Coils
          SS Brake Lines
          Vision 550 Auto Tensioner

          In any moment of decision the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing.

          Theodore Roosevelt

          Comment


          • #6
            a socket slightly smaller also works well.
            pete


            new owner of
            08 gen2 hayabusa


            former owner
            1981 xs1100 RH (aus) (5N5)
            zrx carbs
            18mm float height
            145 main jets
            38 pilots
            slide needle shimmed .5mm washer
            fitted with v/stax and uni pod filters

            [url]http://www.youtube.com/watch?v=3pA8dwxmAVA&feature=mfu_in_order&list=UL[/url]

            Comment


            • #7
              Pretty sure he meant install bearing on TT stem, not install race.
              2H7 (79) owned since '89
              3H3 owned since '06

              "If it ain't broke, modify it"

              Comment


              • #8
                Bearing - not race

                Correct - I have the upper and lower race already installed. Want to get the lower bearing on the stem. Thought about a piece of pipe that would fit over the stem and rest against the bearing and then wack it with a rubber mallet to force it down. Concerned I might damage the bearing - any thoughts.
                _____________________
                78 XS1100 - mainly stock

                Comment


                • #9
                  i shouldve read it better,

                  u can use a piece of pipe but u want it to touch
                  the inside of the bearing only or as phil and nate stated cut the
                  inside of the old one and place the pipe over that one
                  to hit the new one into place.
                  Last edited by petejw; 04-22-2011, 08:11 AM.
                  pete


                  new owner of
                  08 gen2 hayabusa


                  former owner
                  1981 xs1100 RH (aus) (5N5)
                  zrx carbs
                  18mm float height
                  145 main jets
                  38 pilots
                  slide needle shimmed .5mm washer
                  fitted with v/stax and uni pod filters

                  [url]http://www.youtube.com/watch?v=3pA8dwxmAVA&feature=mfu_in_order&list=UL[/url]

                  Comment


                  • #10
                    I stuck my triple tree in the freezer overnight, and then heated my bearing in oil, and then just dropped it on. Don't take the triple tree out until the bearing is hot. Let it sit for quite a while afterwords to let it come back to room temp, the grease with a needle point.
                    1980 XS1100LG Midnight
                    1991 Honda CBR1000F Hurricane


                    "The hand is almost valueless at one end of the arm if there be not a brain at the other"

                    Here's to a long life and a happy one.
                    A quick death and an easy one.
                    A pretty girl and an honest one.
                    A cold beer and another one!

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                    • #11
                      The lower is supposed to be pressed on, but you can install it with a BFH with a little care. Don't pound on the outer race at all, and put something under the stem on the lower tree so you don't tweak the tree. Don't waste your time with a rubber hammer; a dead-blow hammer would be better if you have one, but the bigger the hammer the better/faster it will go on.
                      Fast, Cheap, Reliable... Pick any two

                      '78E original owner - resto project
                      '78E ???? owner - Modder project FJ forks, 4-piston calipers F/R, 160/80-16 rear tire
                      '82 XJ rebuild project
                      '80SG restified, red SOLD
                      '79F parts...
                      '81H more parts...

                      Other current bikes:
                      '93 XL1200 Anniversary Sportster 85RWHP
                      '86 XL883/1200 Chopper
                      '82 XL1000 w/1450cc Buell, Baker 6-speed, in-progress project
                      Cage: '13 Mustang GT/CS with a few 'custom' touches
                      Yep, can't leave nuthin' alone...

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                      • #12
                        Thanks for the suggestions. I will try the freeze/hot oil treatment. I worry about beating the bearing and will do that as a last resort.
                        _____________________
                        78 XS1100 - mainly stock

                        Comment


                        • #13
                          I used the "old race and pipe" to replace bearings. Works every time, and will NOT hurt the bearing. I bought an 18" X 2" pipe (IIRC) from Ace, and use it to beat on. The freeze and hot will also work, but take care with the new seal!
                          Ray Matteis
                          KE6NHG
                          XS1100 E '78 (winter project)
                          XS1100 SF Bob Jones worked on it!

                          Comment


                          • #14
                            Originally posted by XS1100 Newbie View Post
                            I stuck my triple tree in the freezer overnight, and then heated my bearing in oil, and then just dropped it on. Don't take the triple tree out until the bearing is hot. Let it sit for quite a while afterwords to let it come back to room temp, the grease with a needle point.
                            You're 'on to it'. Thats the best way if you dont have a press. Beating it with pipes and such works but a 'gently, gently' approach, and patience is needed.
                            1980 SG. (Sold - waiting on replacement)
                            2000 XJR1300. The Real modern XS11. Others are just pretenders.

                            Woman (well, my wife anyway) are always on Transmit and never Receive.

                            "A man should look for what is, and not for what he thinks should be" Albert Einstien.

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                            • #15
                              Originally posted by jetmechmarty View Post
                              As always, there's a tool for that. You need a race driver.


                              You can probably do the job with a brass drift, if you're careful.
                              Not all Race Driver are tools
                              1981 XS1100 H Venturer ( Addie)
                              1983 XJ 650 Maxim
                              2004 Kawasaki Concours. ( Black Bear)

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