other motor

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  • Matt B
    #1

    other motor

    hey all. I was given another suzy motor. it appears to be a late 78 gs1000. complete bottom end with crank and trans.....the pistons and the jugs. nothing else. appears to be in real good condition....no wobble in the rods or twist in the crank. What are viable options for this? What head can I put on this? I was told they were going to drag race this motor but lost the bike.
    that part sounded fishy to me...but a motor is a motor especially when it is free. So aside from a bore kit what cams and other options sound reasonable for a healthy street motor.
    Tags: None
    • Don-lo
      #2
      Find out what pistons you have and go from there. Check to see if the crank is welded, and see if the clutch basket is strengthened. You can make a GS1000 motor very strong, but it will take head work and good carbs.

        Comment

        • tkent02
          Forum LongTimer
          Past Site Supporter
          • Jan 2006
          • 35571
          • Near South Park
          #3
          Are you going to put this engine in a motorcycle? Something else?
          Drag racing or for some other purpose?
          http://img.photobucket.com/albums/v5...tatesMap-1.jpg

          Life is too short to ride an L.

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            • rphillips
              Forum Guru
              Past Site Supporter
              Super Site Supporter
              • Jun 2005
              • 7611
              • Norene TN
              #4
              Just a thought, Check to see what good parts you have, sell them & find a complete eng. It seems to me, starting with just the cases, crank, & MAYBE good cylinders & pistons, you will have a lot invested before you are finished. Just my opinion
              1983 GS1100E, 1983 CB1100F, 1991 GSX1100G, 1996 Kaw. ZL600 Eliminator, 1999 Bandit 1200S, 2005 Bandit 1200S, 2000 Kaw. ZRX 1100

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                • Matt B
                  #5
                  other motor

                  how do i know if clutch basket is strengthened? crank is not welded....stock pistons and rods...thinking about putting it together for a spare........found a decent gs1000 in wisconsin

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                    • Big T
                      Forum LongTimer
                      Past Site Supporter
                      Super Site Supporter
                      • Mar 2005
                      • 12392
                      • West Slope, OR
                      #6
                      The back side of the clutch basket will show additional welding

                      If your motor has all the side cases, ignition and a stator, you might just need a head.

                      The GS 1000 had 2 different heads - small port for VM carbs and big port for CV carbs. Both bolt right on, the difference is in what carbs you can mount up.
                      1978 GS 1000 (since new)
                      1979 GS 1000 (The Fridge, superbike replica project)
                      1978 GS 1000 (parts)
                      1981 GS 850 (anyone want a project?)
                      1981 GPZ 550 (backroad screamer)
                      1970 450 Mk IIID (THUMP!)
                      2007 DRz 400S
                      1999 ATK 490ES
                      1994 DR 350SES

                        Comment

                        • 67fire
                          #7
                          Originally posted by Big T
                          The back side of the clutch basket will show additional welding

                          If your motor has all the side cases, ignition and a stator, you might just need a head.

                          The GS 1000 had 2 different heads - small port for VM carbs and big port for CV carbs. Both bolt right on, the difference is in what carbs you can mount up.


                          And a MAJOR increase in air flow to the intake valves.

                          Eric

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