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GR650 Fork Spring and Oil Replacement

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    #16
    I used Mike'sXS emulators on my GR650 and they work well. The front now feels planted.

    After putting it all back together, I put in a layer of grease on top of the stopper that covers the circlip, because you will be back in again sometime.

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      #17
      Kind of late on this but, when replacing the springs what additional parts would you recomend buying ahead of time, seals O-rings ect. If I go with Sonic springs what other parts should I have on have on had so it could be finished all at once.
      1983 GS650GL Not running when I bought it. runs great now
      Engine- Carb Cleaned, Valve Adj, Ignition Mod, balanced carbs, Polished/Painted engine, Exhaust wrapped
      Frame & Wheels painted, rebuild brakes/masters, Fixed Tach/Spedo, Sonic Springs in the Front, New handle bars w/bar end mirror/turn signals
      Still To-Do?
      Fuel sending unit, Fuel tank paint job?, LED headlight?, Seat falling apart, Solutions?, Changing look of the rear of bike, Seat, Brake/turn-signals

      Comment

        #18
        Originally posted by DrDankNuggs View Post
        Kind of late on this but, when replacing the springs what additional parts would you recomend buying ahead of time, seals O-rings ect. If I go with Sonic springs what other parts should I have on have on had so it could be finished all at once.
        Depends on condition/mileage of the bike.

        Are the seals leaking at all right now? How many miles on the bike?
        '20 Ducati Multistrada 1260S, '93 Ducati 750SS, '01 SV650S, '07 DL650, '01 DR-Z400S, '80 GS1000S, '85 RZ350

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          #19
          Pretty low miles 8,500 was found at estate sale, no damage anywhere aside from damage to chrome from rust, but drained less than a ounce out and it was pretty dark no leaks though, although there was no air in them so adding air my expose a leak.
          1983 GS650GL Not running when I bought it. runs great now
          Engine- Carb Cleaned, Valve Adj, Ignition Mod, balanced carbs, Polished/Painted engine, Exhaust wrapped
          Frame & Wheels painted, rebuild brakes/masters, Fixed Tach/Spedo, Sonic Springs in the Front, New handle bars w/bar end mirror/turn signals
          Still To-Do?
          Fuel sending unit, Fuel tank paint job?, LED headlight?, Seat falling apart, Solutions?, Changing look of the rear of bike, Seat, Brake/turn-signals

          Comment

            #20
            Originally posted by DrDankNuggs View Post
            Pretty low miles 8,500 was found at estate sale, no damage anywhere aside from damage to chrome from rust, but drained less than a ounce out and it was pretty dark no leaks though, although there was no air in them so adding air my expose a leak.
            Well, the oil went somewhere.

            i'd order seals and do them at the same time. Are the fork tubes pitted at all?
            '20 Ducati Multistrada 1260S, '93 Ducati 750SS, '01 SV650S, '07 DL650, '01 DR-Z400S, '80 GS1000S, '85 RZ350

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              #21
              Originally posted by RichDesmond View Post
              Well, the oil went somewhere.

              i'd order seals and do them at the same time. Are the fork tubes pitted at all?
              No pitting, but I should have Clarified, I only drained less than a ounce out to check the condition of the oil, there was more that would have come out if I had allowed it. didn't want to drain fully until I had all the proper parts in hand to complete the job. I put some air in there and that did help quite a bit, as of last night didn't appear to be any leaking.
              1983 GS650GL Not running when I bought it. runs great now
              Engine- Carb Cleaned, Valve Adj, Ignition Mod, balanced carbs, Polished/Painted engine, Exhaust wrapped
              Frame & Wheels painted, rebuild brakes/masters, Fixed Tach/Spedo, Sonic Springs in the Front, New handle bars w/bar end mirror/turn signals
              Still To-Do?
              Fuel sending unit, Fuel tank paint job?, LED headlight?, Seat falling apart, Solutions?, Changing look of the rear of bike, Seat, Brake/turn-signals

              Comment

                #22
                Originally posted by DrDankNuggs View Post
                No pitting, but I should have Clarified, I only drained less than a ounce out to check the condition of the oil, there was more that would have come out if I had allowed it. didn't want to drain fully until I had all the proper parts in hand to complete the job. I put some air in there and that did help quite a bit, as of last night didn't appear to be any leaking.
                If the seals aren't leaking then no good reason to replace them. Just do springs and oil. No air with the new springs.
                '20 Ducati Multistrada 1260S, '93 Ducati 750SS, '01 SV650S, '07 DL650, '01 DR-Z400S, '80 GS1000S, '85 RZ350

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                  #23
                  Perfect thanks for the help Rich, last thing which spring set would you recommend for a 6'3" 230 guy.?
                  1983 GS650GL Not running when I bought it. runs great now
                  Engine- Carb Cleaned, Valve Adj, Ignition Mod, balanced carbs, Polished/Painted engine, Exhaust wrapped
                  Frame & Wheels painted, rebuild brakes/masters, Fixed Tach/Spedo, Sonic Springs in the Front, New handle bars w/bar end mirror/turn signals
                  Still To-Do?
                  Fuel sending unit, Fuel tank paint job?, LED headlight?, Seat falling apart, Solutions?, Changing look of the rear of bike, Seat, Brake/turn-signals

                  Comment

                    #24
                    I’d go with 0.90 springs and 10w fork oil.
                    '20 Ducati Multistrada 1260S, '93 Ducati 750SS, '01 SV650S, '07 DL650, '01 DR-Z400S, '80 GS1000S, '85 RZ350

                    Comment

                      #25
                      For your reading pleasure.... http://www.peterverdone.com/wiki/ind...spension_Fluid
                      I’ve been using Yamaha brand oil lately because it’s available at the Yamaha shop close to my house and relatively cheap and I like supporting local businesses.
                      -1980 GS1100 LT
                      -1975 Honda cb750K
                      -1972 Honda cl175
                      - Currently presiding over a 1970 T500

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