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carbs way out of sync

  • Thread starter Thread starter frozenfish66
  • Start date Start date
F

frozenfish66

Guest
Well I feel as if I?m getting close to solving the problem I have been having with this bike (1987 gs 450l).

When I went to adjust the idle mixture I tried running the bike one cylinder at a time. The "right" cylinder ran fine with the other one unplugged. When I tried the reverse the bike would not start or idle on the "left" cylinder until I gave it about 1/8 throttle then it would idle fine.

I guess it?s time to adjust sync. Anybody have any suggestions for how to do it with this bike the adjustment screw is in a very tight place and at an odd angle
 
A set of gauges is the best way.

Some ingenious folk have devised other methods, but gauges are still best.

.
 
Have you done a GOOD bench sync?

A bread tie with the paper stripped off WORKS VERY WELL!!!
Use the gauge of the wire as your closed plate measurement and work from there. Morgan Carb Tune is a GREAT device though you "don't have to" use one..

Sounds like #1 is about right and #2 is a little rich, thus the need for a little throttle opening...

What bike are you working on? :confused:
 
its a 1987 gs450l and funny thing is both plugs are white. but no air leaks detected. more work...
 
Have you checked your valve adjustment lately?

No sense syncing the carbs until the valves have been checked/adjusted.
 
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