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Recent content by patrickhimself

  1. P

    Twinpot Brake upgrade on 78 Skunk

    I was under the impression that the GK calipers had a slightly different offset compared to the other 1100s. I definitely need a set of brackets if they'll do. I replied to your PM.
  2. P

    Twinpot Brake upgrade on 78 Skunk

    I believe it was mentioned in this thread that these will work with GS1100GK forks? If so I need a set. @salty_monk I'll send you a PM in a moment. Edit: previously said that I was using GS1150 forks...
  3. P

    Should I replace these valve shims?

    Sitting and idling #4 isn't firing. If I take it riding, or even just crank the revs up above 3k, it'll spit out some black smoke and start warming up. To me this says something is wrong in the carb idle circuit, but I've cleaned (full dip) and bench synched and vacuum synched and such multiple...
  4. P

    Should I replace these valve shims?

    Bought the bike last year. Was a daily rider until about November, when I decided it was a good idea to start doing "routine" maintenance (it was raining...). Hasn't run since. Well, it runs, but cylinder #4 is cold. Dumb question: how does one check for spark in the cylinder?
  5. P

    Should I replace these valve shims?

    Yeah, still trying to track that down. Spark is good. Plugs are getting wet. Compression is consistent at WOT, but it's about 20psi below the others with the throttle closed (I know that's not a scientific test, necessarily, but it seems odd). I'm thinking the next step is checking if...
  6. P

    Should I replace these valve shims?

    In my continuing quest to track down what's keeping the fire out of my #4 cylinder, I just rechecked all the valve clearances on my 1979 GS750L, as I realized I had been doing it "wrong" before. All of the valves are within specs (much to my chagrin, really), except the #2 and #3 exhaust shims...
  7. P

    #4 carb acting the fool

    I haven't gotten into the pistons as of yet. The plug does get wet, and the spark is definitely there.
  8. P

    #4 carb acting the fool

    Well, it's back in the soup for the #4 carb. Gonna try to clean it again and see if I missed something. I also bought new boots for the air-box (the horns in the box were a bit brittle) and new spark plug caps (PO fit one NGK cap and left the rest stock). My thoughts: when I sync the carbs at...
  9. P

    #4 carb acting the fool

    Done. Still cold. Still, if I rev above 4k I get a plume of black smoke. This is super frustrating. Bike starts like a treat, even with just the three cylinders...I'm about ready to check if a bird made a nest in the header over the winter...I just want to ride!
  10. P

    #4 carb acting the fool

    Bench synced and vacuum synced and I've still got a cold pipe. I even added more weather stripping to the air box. Everything I'm doing is making the other three carbs run better, but I'm not getting anything going on #4. The boots all seem good (pliable, no cracks) but I'm beginning to think I...
  11. P

    #4 carb acting the fool

    Yeah, I've read that. Went back over it and realized I'd done a couple things slightly wrong (it's been a while). Additionally, took a look in the airbox and noticed that the filter wasn't seated properly, so I reset that and cleaned up some of the sealing bits. Anyway, it got too late to keep...
  12. P

    #4 carb acting the fool

    I had done that before, but I gave it a second go. Results: at 3k rpm I can get it all right across the board, sits about 1800. When I drop it down to 1100 carbs #1-3 all sit even, except #4, which sits at about 1/2 their level. I'm using a Morgan Carb Tune. Still no changing when I adjust the...
  13. P

    #4 carb acting the fool

    Well, still no good. I'm getting no idle fire on the #4 cylinder still, and the pipe is cold enough to touch. I put brand new spark plugs in and ran let it idle a while. The other three came out grey on the tip and brownish on the ceramic. #4 came out mostly clean with some black gunk. I did...
  14. P

    I don't need another project but...

    Nothing in particular, right now. I just thought the '77 was closer to a '79. Extra carb bits wouldn't be a bad idea, but $550 is a bit (lot) more than I would want to pay for a rack.
  15. P

    I don't need another project but...

    My thoughts were that at the very least it would be a decent source of spare parts for my L. Not worth it in your opinion?
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