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    #1

    Fork oil levels

    I have already got the proper springs (up-graded with a heavier spring rate for a gravitationally challenged individual), ordered the for seals, as well as proper for drivers and misc. stuff needed for the job. I do have a clymer manual but it is telling me that I only need about 5.5oz of oil in the forks. when i converted that over to ml its only about 162-163ml. Is this right? None of my buddies that ride the older inline four bikes have ever changed fork seals themselves so they are no help. Any information would be very helpful.
    Tags: None
    #2
    My factory service manual for the 1100g says 8.6oz per side. Matchless' tutorial on BikeCliff's site say 251ml per side for a 1000g which should be the same. These are with factory equipment.
    Last edited by Guest; 04-07-2015, 10:23 PM.

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      #3
      Does it matter that the forks also have a pressurized top end? Is that why my manual says so little oil?

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        #4
        My manual says that with the air pressure.

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          #5
          Forget the air, step up the weight of the fork oil a bit. And yeah about 8.6oz is about right for each leg.
          sigpicMrBill Been a GSR member on and off since April 2002
          1980 GS 750E Bought new in Feb of 1980
          2015 CAN AM RTS


          Stuff I've done to my bike:dancing: 1100E front end with new Sonic springs, 1100E swing arm conversion with new Progressive shocks installed, 530 sprockets/chain conversion, new SS brake lines, new brake pads. New SS fasteners through out. Rebuilt carbs, new EBC clutch springs and horn installed. New paint. Motor runs strong.

          Comment

            #6
            So what is the suggested oil to use? The manual says to use atf, however, the guy at the parts store said that today's atf may be a little to harsh for the seals and he wasn't sure what the weight was. On the bright side I now know how to do my fork seals and have the proper tools to do so. Also does anyone now where I can get the brass air fitting for the top of the fork? I have a spare set of forks that need the seals done (hence whey they were free) but the brass fitting int he top of the right fork is to busted to use.

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              #7
              Adam - I've never seen this brass top piece listed separately. It is on off the bushings. The bottom one is easily replace. You might have to get a new set of lowers.

              Greetings
              Richard
              sigpic
              GS1150 EF bought Jun 2015
              GS1150 ES bought Mar 2014: ES Makeover Thread AND blog: Go to the Blog
              GS1100 G (2) bought Aug 2013: Road Runner Project Thread AND blog: Go to the Blog
              GS1100 G (1) Dad bought new 1985 (in rebuild) see: Dad's GS1100 G Rebuild AND blog: Go to the Blog
              Previously owned: Suzuki GS750 EF (Canada), Suzuki GS750 (UK)(Avatar circa 1977), Yamaha XT500, Suzuki T500, Honda XL125, Garelli 50
              Join the United Kingdom (UK) Suzuki GS Facebook Group here

              Comment

                #8
                Adam - I've never seen this brass top piece listed separately. It is on off the bushings. The bottom one is easily replace. You might have to get a new set of lowers.

                Greetings
                Richard
                sigpic
                GS1150 EF bought Jun 2015
                GS1150 ES bought Mar 2014: ES Makeover Thread AND blog: Go to the Blog
                GS1100 G (2) bought Aug 2013: Road Runner Project Thread AND blog: Go to the Blog
                GS1100 G (1) Dad bought new 1985 (in rebuild) see: Dad's GS1100 G Rebuild AND blog: Go to the Blog
                Previously owned: Suzuki GS750 EF (Canada), Suzuki GS750 (UK)(Avatar circa 1977), Yamaha XT500, Suzuki T500, Honda XL125, Garelli 50
                Join the United Kingdom (UK) Suzuki GS Facebook Group here

                Comment

                  #9
                  I used 15w fork oil on my 1100g.
                  sigpic
                  83 GS1100g
                  2006 Triumph Sprint ST 1050

                  Ohhhh!........Torque sweet Temptress.........always whispering.... a murmuring Siren

                  Comment

                    #10
                    Belray, PJ1 just to name a couple brands of fork oil. they come in different weights as well. Loose the air fittings, you don't need them.
                    sigpicMrBill Been a GSR member on and off since April 2002
                    1980 GS 750E Bought new in Feb of 1980
                    2015 CAN AM RTS


                    Stuff I've done to my bike:dancing: 1100E front end with new Sonic springs, 1100E swing arm conversion with new Progressive shocks installed, 530 sprockets/chain conversion, new SS brake lines, new brake pads. New SS fasteners through out. Rebuilt carbs, new EBC clutch springs and horn installed. New paint. Motor runs strong.

                    Comment

                      #11
                      Job done. Amazing how comfortable the bike is when riding with a working suspension.

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