8v GS750 gearbox 1st gear oiling mod???

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  • Chuck78
    Forum Sage
    Past Site Supporter
    • Aug 2012
    • 3692
    • Columbus, Ohio
    #1

    8v GS750 gearbox 1st gear oiling mod???

    http://youtu.be/XMaK_7PotD4 (48 seconds or so in)

    Has anyone ever heard of this mod to the first gear oiler passage in the gearboxes of the early 8v gs750 engines?? This video is describing how to mod a gs750 transmission to work in a gt750, & points out at 48 seconds or do in the downfall of the 750 gearbox & how to fix it by opening up an oil passage larger.

    This is apparently common. Luckily mine seems tight, but I am considering opening up the oil hole in mine while its apart...
    '77 GS750 920cc heavily modded
    '97 Kawasaki KDX220R rugged terrain ripper!
    '99 Kawasaki KDX220R​ rebuild in progress
    '79 GS425​ stock
    PROJECTS:
    '77 Suzuki PE250 woods racer
    '77 GS550 740cc major mods
    '77 GS400 489cc racer build​
    '76 Rickman CR1000 GS1000/1100
    '78 GS1000C/1100
    Tags: None
    • posplayr
      Forum LongTimer
      GSResource Superstar
      Past Site Supporter
      • Dec 2007
      • 23673
      • Tucson Az
      #2
      Looks like experts only mod

        Comment

        • tkent02
          Forum LongTimer
          Past Site Supporter
          • Jan 2006
          • 35571
          • Near South Park
          #3
          Why?

          Do they fail?

          Never heard of it. Maybe they fail in GT 750s because there's no pumped oil?
          http://img.photobucket.com/albums/v5...tatesMap-1.jpg

          Life is too short to ride an L.

            Comment

            • GregT
              Forum Sage
              • Jul 2009
              • 3541
              • New Zealand
              #4
              Originally posted by tkent02
              Why?

              Do they fail?

              Never heard of it. Maybe they fail in GT 750s because there's no pumped oil?
              That's probably right - there's an awful lot of oil flying around in the GS cases whereas in the waterbus there is only what gets picked up by the bigger gears.
              I remember the TR750 had gearbox problems until they learned to overfill it.

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