1977 Johnson 2HP Outboards Service Manual, Page 10Get this manual
CLEARANCE CHART
Power head Piston ring gap .025.015 min(0.6350.381 Piston ringgroove 0040.0020 min(0.1020.051 Cylinder and piston 0055.0043 min(0.1390.012 Crankshaft Upper Needle bearing Lower Needle bearing Connecting rod Piston end .0011.0004 min(0.0280.001 Crankshaft end Needle bearing Lower unit Driveshaft and bushing in gear case .0028.0010 min(0.0710.028 Gearcase head and shaft .0022.0007 min(0.0590.018 shaft .0057.0032 min(0.1470.081 Gearcase bushing to shaft .0022.0007 min(0.0590.018
TORQUE CHART
SAFETY WARNING Failure to comply with recommended torque values could result in operator injury motor damagePower head Flywheel nut 2225 (3034 N.m) 6066 inch-pounds (6.87.4 Nm) Connecting rod screws Cylinder head screws 6080 inch-pounds (6.89.0 Nm) Manifold to crankcase screws 6080 inch-pounds (6.89.0 N.m) Bearing housing to cylinder screws80 inch-pounds (6.89.0 Nm) Spark plug 17-1220-1 foot-pounds (2427 N.m) Lower unit Pull at shaft to tilt up lower Wlit 1114 lbs (56.5 kg) SCREW TORQUE Torque should fiedStandard screws No6 No.8 No10 No12 1 4" 5-16" 3 8" used the following sizes unless otherwise speci-