1979 Johnson 2HP Outboards Service Manual, Page 10Get this manual
CLEARANCE CHART
Power head Piston ring gap 0.0250.015 min(0.640.38 Piston ringgroove 0.00400.0020 min(0.1020.51 Cylinder and piston 0.00550.0043 miri(0.1400.10U Crankshaft Upper Needle bearing Lower eedle bearing Connecting rod Piston end 0.00110.0004 min(0.0280.010 Crankshaft end eedle bearing Lower unit Driveshaft and bushing in gear case 0.00280.0010 min (0.0710.025 Gearcase head and propeller shaft 0.00220.0007 min(0.0560.018 Propeller shaft 0.00570.0022 min(0.1450.056 Gearcase bushing to propeller shaft 0.00220.0007 min(0.0560.018
316021 TEST WHEEL
TORQUE CHART