Pumpkin

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  • 1948man
    Forum Sage
    Past Site Supporter
    • May 2009
    • 4660
    • Florida

    #1

    Pumpkin

    Is there any way to tell what final drive ratio a pumpkin has other than knowing the history of what model and yr GS it came off of? Maybe a part number or code on the drive?
    1983 GS 1100 Guided Laser
    1983 GS 1100 G
    2000 Suzuki Intruder 1500, "Piggy Sue"
    2000 GSF 1200 Bandit (totaled in deer strike)
    1986 Suzuki Cavalcade GV 1400 LX (SOLD)

    I find working on my motorcycle mildly therapeutic when I'm not cursing.
  • Nessism
    Forum LongTimer
    GSResource Superstar
    Past Site Supporter
    Super Site Supporter
    • Mar 2006
    • 35766
    • Torrance, CA

    #2
    There are only two ratios: 2.9 and 3.1. Count rotations while turning the input shaft. A 1983 1100 should have the 2.9. Everything else on the final drive units are the same from 850 - 1000 - 1100.
    Ed

    To measure is to know.

    Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

    Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

    Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

    KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

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    • 1948man
      Forum Sage
      Past Site Supporter
      • May 2009
      • 4660
      • Florida

      #3
      Well, this probably sounds pretty dumb. Is the input shaft at the universal joint end of things and you count revolutions where the pumplin mates with the wheel splines? Or maybe vice versa?
      1983 GS 1100 Guided Laser
      1983 GS 1100 G
      2000 Suzuki Intruder 1500, "Piggy Sue"
      2000 GSF 1200 Bandit (totaled in deer strike)
      1986 Suzuki Cavalcade GV 1400 LX (SOLD)

      I find working on my motorcycle mildly therapeutic when I'm not cursing.

      Comment

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