1972 Johnson 2HP Outboard Motor Service Manual, Page 10Get this manual
CLEARANCE CHART
Power head Piston ring gap .015.005 min.0040.0020 minPiston ringgroove .0055.0043 minCylinder and piston Crankshaft Needle bearing Upper Needle bearing Lower Connecting rod Piston end .0011.0004 minCrankshaft end Needle bearing lLower unit.0010 minDriveshaft and bushing in gear case .0028.0007 minGearcase head and shaft .0022.0022 minshaft .0057 .0022.0007 minGearcase bushing to shaft
TORQUE CHART
Power head Flywheel nut 2225 foot-pounds Connecting rod screws 6066 inch-pounds Cylinder head screws 6080 inch-pounds Manifold to crankcase screws 6080 inch-pounds Bearing housing to cylinder screws 6080 inch-pounds Spark plug 17-120-1foot-pounds Lower unit at propeller shaft to tilt lower unit 1114 lbsCREW TORQUE Torque should tandard screws