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Search results

  1. bren

    gs450 - still not running right

    i've heard people say this online. the EPA stuff is really frustrating. my carbs also have non adjustable needles, and jetting that's right on the brink of being too lean. thanks to EPA "eMiSsIoNs StAnDaRdS" :chargrined: i'm not sure that i can justify buying and ultrasonic cleaner unless I...
  2. bren

    gs450 - still not running right

    the booklet it comes with says, if your bike doesn't pull enough vacuum to move the slides with it right side up, you can use it upside down to get the sync right, and just ignore the quantitative reading, to get it in sync without taking measurements. mine wasn't strong enough to lift the...
  3. bren

    gs450 - still not running right

    yes, that's my understanding, or it could indicate a severe imbalance between carbs. but also a leak would lead to a lean condition. the fact that the lean condition switched cylinders leads me to want to rule out any air leaks
  4. bren

    gs450 - still not running right

    i completely disassembled everything, with the exception of one main jet which i didn't want to disturb because it's a little stripped. I didn't take apart the slides either. apart from that, every jet came out. that list i wrote earlier in the thread is every component that could have gotten...
  5. bren

    gs450 - still not running right

    Yes, i'm using the same left = cyl 1 terminology. now, just to be clear, before I took the carbs apart and dipped them, the left cylinder was cold, and the right one was hot. initially, the cold cylinder had the darker plug and the hot one had no color. i switched some part when i put the carbs...
  6. bren

    gs450 - still not running right

    i believe that when i turned it and it started running better, i was turning the sync screw counter clockwise, which on my carbs, opens the right butterfly. which i suppose would make sense if the right carb is currently running leaner than the left one. edit: hang on, now i'm getting confused...
  7. bren

    gs450 - still not running right

    pilot jet main jet + bowl (one of the mains is a little stripped so i didn't remove it when i dipped it, to keep from stripping it worse) emulsifier slide choke plunger pilot screw one more down. swapped choke plungers. no change. calling it quits for the day. tomorrow i'll start with the...
  8. bren

    gs450 - still not running right

    i just swapped the floats; no change. so that's eliminated. every other part i could swap: pilot jet main jet + bowl (one of the mains is a little stripped so i didn't remove it when i dipped it, to keep from stripping it worse) emulsifier slide choke plunger pilot screw i'm getting really...
  9. bren

    gs450 - still not running right

    yea, interesting theory, best of luck, but mine is the same way. it's the o-ring that makes contact with the head, not the boot. the actual boot doesn't fully seat flush with the cylinder head.
  10. bren

    gs450 - still not running right

    alright, here is a video of it running while running, i showed the carbtune, and adjusted the sync back and forth, and then put it back to center. when i blipped the throttle, it hung up (edit, i realized watching it back, i didn't put it back perfectly centered. even still, with it spot on, it...
  11. bren

    gs450 - still not running right

    alright, well... i let the carbs dip all night long, they should be medically clean now. I put it all back together and started it up ... i'm not sure if it's fixed, but it's definitely different. Now, the left cylinder is running about 100deg hotter than the right. so they swapped. but i...
  12. bren

    gs450 - still not running right

    sorry guys i've ruled that out. the petcock's not even on the bike right now. i'm running the bike off a gravity fed aux tank straight to the carbs
  13. bren

    gs450 - still not running right

    thanks, i read it again. i decided to start over on the carbs. i read through the carb dipping guide again, it says to leave the parts in there for 24 hours... the can says, 15-30 minutes. So maybe they didn't get clean enough the first time. I'm gonna leave them in there for the full length...
  14. bren

    gs450 - still not running right

    i'm getting frustrated, i need help thinking through this. let me just put out some basic obvservations i've taken. the left cylinder is way richer than the right one still. the only way i can get it to idle evenly is to back the sync screw out really far. when i put the carbtune on there, it...
  15. bren

    My 1982 GS 450 - journal thread

    i've been thinking about that stupid jet needle all day. I'm starting to question everything. why it wouldn't sync up. why it revs so slow and why the revs come down slow. the fouled plugs. I don't even think it's running lean at this point, i don't think it ever was lean. when I think about it...
  16. bren

    Canada Goose vs bald eagle

    geese are nuts! i don't think the goose could win that fight, but if i was that eagle, i'd be like ... yikes ... back away slowly ... no eye contact ......
  17. bren

    My 1982 GS 450 - journal thread

    i took the carbs back apart tonight. i don't have the right snap ring pliers to get the needles out. i realized that the needles are significantly different lengths. they are about 1/8" different or a little more. one of them is looser than the other. I think they were worked on and put back...
  18. bren

    My 1982 GS 450 - journal thread

    installing the dynatek i finally got all the parts in the mail and got it put together. I don't know what was wrong with the old ignition. could have been bad plugs or caps for all i know, as easily as a bad ignitor. But when I found out that they don't even make the non resistor plugs anymore...
  19. bren

    1982 GS450 - dynatek - advancer/timing help - what each marking means?

    alright, nevermind, i finally dug it out. T is tdc, F is fire. the mark at the end is advance. the "I's" are the timing marks. I got the plate set, she fires and runs. I was able to actually sync the carbs and stuff finally and get her running right. Still backfiring a bit in the 2-4k range, so...
  20. bren

    1982 GS450 - dynatek - advancer/timing help - what each marking means?

    here it is set up, i believe set lined up to the 'F' mark
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