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  1. Electrical Being Wacky

    General Motorcycle Discussion
    I just bought a 1977 Suzuki GS750 the other day and I was able to get it started up if I jump start it. The whole fuel system is looking great but for some reason my bike isn't wanting to rev up or give me much power. I found out that if I keep the jumper cables connected to the bike battery and...
  2. Need a carb set for 1980 Suzuki GS750.

    Vintage Forum
    I am looking for a set of the Mikuni BS32SS carbs. Stamped on the side is the Suzuki Part number 45400. I received the bike a project and one of the fuel / air screws on the. top of the carb had been drilled out. Having a hard time either finding the number 4 carb on that set or just finding a...
  3. High idle when warm?

    Motorcycle Repair
    I had idle issues a while back and found a vacuum leak that I fixed. I checked it again today and there seems to not be a leak. I went on a ride today and after a short time the bike would idle at close to 5k (even went up to 7k right before I was trying to check for the vacuum leak. I have...
  4. Confusing Spark Plug Threads

    Motorcycle Repair
    I recently purchased a 1977 Suzuki GS750 and I was testing the compression with good results (120psi) until I got to my third cylinder which, at it's very best, only got up to about 50psi. Fortunately (or unfortunately) I realized that there was air escaping from around the threads on my test...
  5. New rider chiming in

    New Member Introductions
    Hello, I am a new rider here in the beautiful pacific northwest. Starting riding with a msf course in October and bought my first bike in February. Bought a visually challenged first year 1977 Suzuki GS 750. I know it's a bit large for a first bike but after the initial learning curve I am very...