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Recent content by Laz

  1. L

    Manual Petcock for a 1978 GS550?

    only runs on prime. this is the second petcock I've bought, first one leaked. I'm growing broke from buying these; it's no thing for me to just turn it off after the ride
  2. L

    Manual Petcock for a 1978 GS550?

    I discovered I'm having fuel issues out of my petcock. I don't really need the vacuum, I'm fine with remembering to turn it off. Is there a recommended manual petcock for a 1979 gs550? Thanks
  3. L

    Compression test; held, now doesn't hold at all

    Ah that sucks. What did I do wrong that caused the head gasket to blow? Did I add to much oil into the cylinder? Too much air compression?
  4. L

    Compression test; held, now doesn't hold at all

    It's brand new, but when I put my finger over #1 I can feel the air pushing my finger as I pump air into #2. I'll double check the gauge, but I really don't think it's the guage.
  5. L

    Compression test; held, now doesn't hold at all

    I had compression, but after wettesting #2 I no longer have compression in any cylinder. The previous owner said it ran great, but when I bought it I noticed it ran extremely rough, wouldn't idle well, etc. I really want to get it back on the road because it is a cool bike for sure.
  6. L

    Compression test; held, now doesn't hold at all

    The motorcycle will not run. it will not start at all. I have never had a shop do work on it, and I have never opened the engine. this was my first bike I've been trying to get started. I finally am making decent money again so I can actually afford to work on it.
  7. L

    Compression test; held, now doesn't hold at all

    Spec is 1,000kpa for my 1979 GS550 Test was performed with cold engine as it will not currently run. #4 DRY TEST @ 800kpa #3 DRY TEST @ 725kpa #2 DRY TEST @ 890kpa #1 DRY TEST @ 910kpa #1 WET TEST @ 1100kpa #2 rose then immediately fell. Air now escapes out the other cylinder. Needle will...
  8. L

    VM22 Carb nightmare

    This is my first bike. I bought it cheap. But when I bought it, it didn't run well, but it would go forward, ride around and stuff despite dying every few blocks. I removed the carbs, cleaned them, put them back but found that it was an absolute nightmare to get the stock boots over the carbs...
  9. L

    No vacuum at carbs..

    This is how I have it hooked it up.. I'm almost wondering if I'm when doing it right lol
  10. L

    No vacuum at carbs..

    Sorry for creating a new topic, tried googling and searching the forums. 1979 GS550 with VM carbs. I cleaned the carb, did pods with stock jetting and AIR correction jets. It's idling crazy high. I think the carb is way out of sync. I don't know where the throttle stop should be tuned too...
  11. L

    what did you wrench on today??

    My 79' GS550 had been sitting most of the winter, had a bad issue with dying at idle, really rough riding. It's my first motorcycle. Had some air correction jets come in from Zed, tapped my VM carbs and installed them. I installed some pods on my carburetor, then installed the carb, but alas the...
  12. L

    1979 GS550; Are these CV or VM carbs?

    ​​​​​​ Thanks for the response. What tap did you use to tap the holes for the air correction jets? Is there a guide for the air correction jets? I have some coming in from Zed, and have been looking for installation information Sorry, I'm actually a plumber and have threaded pipe, but I haven't...
  13. L

    1979 GS550; Are these CV or VM carbs?

    Adding a second picture to help identifcation.
  14. L

    1979 GS550; Are these CV or VM carbs?

    Sorry about creating a new topic, I searched for weeks, even used the google images AI tool to try to find what type of carburetor I have. This is my first motorcycle, and I've been fixing it up. Really fell in love with the bike. I recently bought these upon recommendation by Urban Monk TV...
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