Question about 1980 Suzuki Gs 550 L
The first thing I would do is to stick in a new spark plug even if the shop says all is well. It will only cost a couple of bucks and now you KNOW the plug isn't the problem. If the shop tested the ignition system and all is okay, have them check the compression on the bad cylinder. Bad valves in that cylinder could be the problem. If the compression is okay, another possibility is a plugged main jet or gas is not getting into the carb due to a float being stuck closed or fuel line obstruction. Also, but less likely, is water filling the float bowl. Condensation inside the gas tank can make it into a carb. Bikes do not run well with water in the gas.
Posted on Jul 30, 2010
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Posted on Jan 02, 2017
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