Question about 1981 Suzuki GSX 400 F
Yes, it could (and probably is) be an air leak. Check to be sure the carb is tight in the intake manifold, and make sure the hot-start isn't loose and is sealing properly. Also make sure all of the exhaust system joints are tight, an air leak in the exhaust will make a four-stroke pop and backfire like an old work truck with no muffler...
Posted on Nov 10, 2008
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Posted on Jan 02, 2017
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