Compression Pressure
Test compression with engine warm, all spark plugs removed and throttle and choke valves wide open. Minimum compression should not be less than 100 psi with a 30 percent maximum compression variation between all cylinders.
Test compression with engine warm, all spark plugs removed and throttle and choke valves wide open. Minimum compression should not be less than 100 psi with a 30 percent maximum compression variation between all cylinders.