GS1000 Flywheel removal..

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  • sschering
    • Feb 2026
    #1

    GS1000 Flywheel removal..

    Does anyone know the size of the internal threads on the large flywheel?
    I think it's M16x1.5 but i want to double check before I go bolt hunting again.

    I tried the swing arm pivot bolt trick but it's bigger than that..

    The pivot bolt worked great on the small flywheel in the GS750 though.. A 1/4 drive ratchet 4" extension makes a great spacer too.
    Tags: None
    • sschering
      #2
      Got a M16x1.5 bolt at Tacoma Screw (industrial bolt supply shop).. Ace Hardware failed me. They don't stock fine thread in 16mm.

      More info when I get home from work.

        Comment

        • Arkmage
          #3
          Our local honda dealer also stocks the male style (bolt) pullers for about $9. Unfortunately I found this out after buying the $60 female style one.

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            • sschering
              #4
              Originally posted by Arkmage
              Our local honda dealer also stocks the male style (bolt) pullers for about $9. Unfortunately I found this out after buying the $60 female style one.
              Yeah Motion pro Part # 08-0027 m16x1.5 puller

              Local shop would need to order it.. They don't do a lot of metric bike stuff.. the other shop that might have stocked it just filed chapter 11 and locked the doors..

              Bolt store had what I needed and it only cost $2.50

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                • sschering
                  #5
                  It worked perfectly..
                  Put the 1/4 drive extension into the crank screw in the 16mm bolt and put the socket to it... All I did was put the bike in gear, hold the rear brake and give the breaker bar a good twist..

                  The flywheel popped off without to much trouble and I mean popped.. It jumped off the bike about a foot

                  As suspected my starter clutch bolts were sheared but the clutch is fine.

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                    • madbikebreaker
                      #6
                      Could you run that by me one more time. Sounds too good to be true. Will this work on my 83 1100E?

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                        • blowerbike
                          Forum Guru
                          GSResource Superstar
                          • Aug 2008
                          • 7057
                          • Ohio Closer to KY Than Cleveland
                          #7
                          Originally posted by madbikebreaker
                          Could you run that by me one more time. Sounds too good to be true. Will this work on my 83 1100E?
                          this information/puller type does not apply to your motorcycle.

                            Comment

                            • oldgrumpy
                              #8
                              removing flywheel..easy..

                              hi guys... i,ve got a 1980 gs1000e ,the thread in the centre is 16mm.. i bought a 16mm x 50or 45long hex head set screw from a bolt supply not a cheap 1 as they are rubbish and then a little light grease on the set screw..and with the use of a rattle gun in it went and bounced off the flywheel ,, make shore the taper is free of scuffs and nice and clean when you re-assemble it ,,hope this helps regards david

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