Will 80' GS750 forks fit on a 77' GS750

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  • jim66hotrod

    #1

    Will 80' GS750 forks fit on a 77' GS750

    I have a 77' GS750 that the forks are rusty and pitted at the top. I found a complete front end off of an 80' GS750. Will it swap? I know the 77 that I have only has the one brake rotor and I believe the 80's has 2......HELP.
  • Guest

    #2
    Originally posted by jim66hotrod
    I have a 77' GS750 that the forks are rusty and pitted at the top. I found a complete front end off of an 80' GS750. Will it swap? I know the 77 that I have only has the one brake rotor and I believe the 80's has 2......HELP.
    Get a caliper and measure the upper tubes, if they are the same it should fit. Won't even have to change out the triple trees. If they aren't the same then you may have some work ahead. I think your 77 has ball bearings for the steering stem no? Where as the bearings in the 80 steering stem are tapered ones.

    Oh yeah where are you located and some pics of what you have would be helpful.

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    • hampshirehog
      Forum LongTimer
      Past Site Supporter
      • Oct 2007
      • 12675
      • Hampshire. UK

      #3
      The forks will fit straight in to the triple tree. However, the later forks have a leading axle and your brake calipers won't swap over.

      You could make the stanchions work though - the '77 tubes are 613mm long and the '80 ones are 625mm.
      79 GS1000S
      79 GS1000S (another one)
      80 GSX750
      80 GS550
      80 CB650 cafe racer
      75 PC50 - the one with OHV and pedals...
      75 TS100 - being ridden (suicidally) by my father

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