Vanguard 23 hp with a slight loss of compression on one cylinder. Leak down test shows head gasket is the likely culprit. In addition, the exhaust header coming out of the cylinder with less compression get twice as hot as the other side. Any ideas?
If it's weak it can burn soo slow that it's burning in the headertube. Fix the cause of failure and clean the carb very good in case of lean conditions
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