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Almost there...1981 GS550 help

  • Thread starter Thread starter khardrunner14
  • Start date Start date
I am still struggling with getting the bike to start/idle properly. It will start and idle pretty much on PRIME and with at least some choke on. I tried the air mixture screws at 1 turn and 1.5 turns with the 1.5 turns being a little better. Either way it will not idle anywhere below about 3 grand. Is this related to fuel, air, or even the new pilot fuel jet? What do I do?

- The bike will only run/ride with the petcock on PRIME. If I am careful with the throttle, it will limp along on run/reserve. Does this mean I have a petcock problem, or is it more likely a problem with the vaccum?
I still wonder about the new pilot jets. Did the problem show up right after the carb work?
 
I bought the bike running VERY rough after sitting for 2 years. Needless to say it needed work. From the sound of it, you would suggest that I pull the carbs again and replace the new pilot jets with the older ones. With the information you provided about the petcock, this sounds like the jets could be my real problem. I know the pilot jet controls the fuel flow from idle to about 1/3 throttle. This is where the bike runs a little rough. If I can correct the petcock problem and replace the jets I think I have a shot at finally getting the bike to run properly.
THanks again!
 
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