Chrysler 6, 7.5, 180 Sailor Outboard Motors Service Manual, OB 3330, Page 92Get this manual
UNBURNED FUEL IN NO.1 CYLINDER
UNBURNED FUEL IN NO.2 CYLINDER
CYLINDER DRAIN COVER
Figure 3Compression Gauge Installed
Sometimes simply tightening the head bolts to the proper torque will cure leaky head gasket