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Search results

  1. J

    vm26 mystery spring

    This?
  2. J

    Carb gangplate bushing material

    The carb gangplate on the early GS bikes (mine is a ?78 GS750) has what looks to be rubber seals or grommets over the bushings where the throttle shaft rides. I don?t see a part number for replacement on any fiche. I don?t think I can remove them without destroying them...here?s my question...
  3. J

    Do you recommend the Morgan Carbtune Pro?

    In this case is newer better for measuring simple vacuum? ive got the mercury set as well, considering the Morgan if it?s a real upgrade...I?ve only ever used mercury
  4. J

    Carb question for Mikuni experts

    After a bit more research I found an article from Cycle World 1979...it seems the GS carbs (and probably others) underwent a slight redesign for the 1978-1979 model years due to emissions (of course). The article cited tighter tolerances, 1 size increase in main jet to 102.5, diffferent needle...
  5. J

    Carb question for Mikuni experts

    I?ve actually read both of those extensively trying to sort this out. The tutorial on bikecliff?s website shows the slide/needle with spring...the factory service manual indicates only that the correct needle is ?5F21-3? which happens to be the one installed into the slide without a...
  6. J

    Carb question for Mikuni experts

    https://imgur.com/a/NsRcyX4 https://imgur.com/a/NsRcyX4 edit..,that was my attempt at posting up an image in a thread...bleeping photobucket now I gotta figure out how to use something else. If you click on that you can also see they have different needles as well
  7. J

    Carb question for Mikuni experts

    Picked up at 1978 GS750E project (barn find basically, hasn?t run in 10 years). The carbs were simply mangled, brass screws loctited in, slots hogged out, screw heads chewed up...so I also picked up an entire second carb rack, gangplate, linkages and everything that came off (supposedly) and...
  8. J

    Suggestions for a good handling vintage styled dirtbike?

    Well, I stumbled onto this forum while in search of technical information on my latest project (1978 GS750E)...found the tech I wanted/needed (this forum is really terrific by the way) and while looking around I see a photo of what looks a bike I just finished...just took it to a show actually...
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