Recent content by magoo66

  1. magoo66

    Master Cylinder Rebuilding

    The hole in the small round very thin steel attachment provided to attach the rubber puck nipple easily to the spring in this particular kit seems unnecessarily to small IMO.Set a spare original master cylinder spring in a trusty old,easily bent cafeteria fork into a small vise as a starting...
  2. magoo66

    Master Cylinder Rebuilding

    Another wise tip found here for cleaning the bore.1/2 “dowel,1000’ w/d paper.Used on one just now.Works quite well.
  3. magoo66

    Master Cylinder Rebuilding

    Sooooooo thankful for the posts and threads like these. I read and re-read and even though I know that tiny relief port exists and needs to be clearly opened I almost had myself convinced it didn’t it was so plugged.Got it cleared now.
  4. magoo66

    75b Frontend redo and deep clean

    Used the guitar “E”string method to open the relief port on the 75b master cylinder.Added a photo of a master cylinder off a 72 waiting a turn for a rebuild. This 75b original was extremely plugged.Both early round master cylinder reservoirs.A slight variation in the relief port location.
  5. magoo66

    75b Frontend redo and deep clean

    The PO had pulled the original and just replaced it with an aftermarket that actually had worked great since I’ve owned it. The mirror threads wouldn’t accept the original mirror was the kicker.
  6. magoo66

    75b Frontend redo and deep clean

    Stuck and ugly as suspected.Some delicate cleaning to the bore and reservoir on the agenda next.
  7. magoo66

    75b Frontend redo and deep clean

    Me too! I got an old retired Yamaha mechanic pal that worked on em in the day. I gotta try to visit and see if he can shed some light on the plug.👍
  8. magoo66

    75b Frontend redo and deep clean

    Guilty of totally assuming all these years.😏
  9. magoo66

    75b Frontend redo and deep clean

  10. magoo66

    75b Frontend redo and deep clean

    Only one of the 5pins light with the switch on.No flash.Great suggestion.Now I am more curious.Been a long while since really investigating it.🧐👍
  11. magoo66

    75b Frontend redo and deep clean

    That’s what I was always told.Seemed to make sense.The Vetter craze fairings along with others was going on then. I’d sure be open to hear if it’s actually for something else.
  12. magoo66

    The finest 75b I’ve had was a basket case

    That one went back to totally original and sold. It was a sweet 75b.Hard to save them then with 2 in college.😁
  13. magoo66

    The finest 75b I’ve had was a basket case

    🎨.
  14. magoo66

    For Sale - Camel Pro Banner

    Hmmm, I’m hemorrhaging lots of old guy $$ on a couple m/c keeper bikes.That’s a very desirable banner.I’ll share your desire to sell it.
  15. magoo66

    75b Frontend redo and deep clean

    One and two of the wish’id a done through the years of having many 75b’s for the next generations to have knowledge of;1)Kept track of serial #’s of matte black and bronze dash panels.2)Noticed more and noted the factory plug 🔌 for fairings.A crucial,competitive market option of the era.Craig...
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