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1984 GS550L carb

  • Thread starter Thread starter Bryanp32
  • Start date Start date
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Bryanp32

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Hey there brand new to the site. And the GS world

I just picked up a 1984 GS550L and in the middle of bringing it back to life the bike is in great shape runs well but seems to die at high rpm the carbs have been disassembled cleaned. And replaced o rings. The carb setup on this bike is one that I have never seen before nor can find much for info on. Was wondering if the gurus of the GSR had any idea how to get them set up properly to run in Victoria BC. I have a feeling the pilot mixture is week. The bike also a has all brand new plugs and fresh oil in it

thanks for your support and help
 
Since the pilot mixture only affects the engine at idle and slightly above I doubt if tweaking the adjustment is going to have any effect. Dying at high rpm is usually and indication that your charging system is not putting out the full 14.2 + volts above 2500 rpm. So check that out. You also don't mention if you have stock airbox and OEM filter or stock exhaust/muffler.

As a minimum clean all of the wires connectors to the battery, starter and especially negative lead on the battery to engine ground.
 
I forgot to mention that even though you have new spark plugs check the spark plug caps. Cylinders 1&4 operate off the left coil and 2&3 on the right side(most suzukis i've seen). Pull the plug wires off the plugs and measure resistance between 1&4 and 2&3 looking for about 22k ohms. More than that and you might think about new plug caps.
 
Tanks for the great info I have the bike running now it's all stock mufflers and air box. The one problem I have run into is the gas gage needs to be hooked up and the tank grounded for the electrical on the bike to work. I have cleaned the ground. Any ideas on what that might be?
 
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