Question about 1993 Harley Davidson XLH Sportster 883
It sounds like the carburetor is plugged with gasoline varnish from sitting. It takes as little as just a few months of sitting for the carburetor to become clogged. If this is the case, the carb needs to be disassembled and soaked in carburetor cleaner. Upon reassembly, be sure to blow everything out with compressed air - and make sure you can see through the jets. You can test your luck by draining the fuel and whatever contaminants have collected in the float bowl. Sometimes, that will work wonders.
You should also check for air leaks between the carb and the engine (loose clamps, cracked manifolds, etc.). Spraying WD-40 on those areas with the engine idling will help determine if there are any intake leaks (the idle speed will fluctuate when WD-40 gets sucked in).
Posted on Dec 10, 2009
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Posted on Jan 02, 2017
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