1971 Johnson 60HP outboards Service Manual, Page 10Get this manual
Graham Tester Model 51 Secondary Continuity 3000 ohms maximum Primary Continuity 1.2 ohms maximum Coil Index 60 Coil Test (Normal) minimum Coil Test (Amplified) 80 minimum Gap Index 50 maximum
CLEARANCE CHART
Power head Piston and wrist pinloose end .0005 max- .0000 minPiston ring gap.017 max- .007 minPiston ring groove clearance.0040 max- .0015 minCylinder and piston 0050 max- .0035 minCrankshaft bearings Upper Roller type Center Roller type Lower Ball type Crankshaft end play 0156 max- .0006 minConnecting rod bearings Piston end Needle bearing Crankshaft end Roller type Lower unit Gearcase head and propeller shaft Roller type Driveshaft to gearcaseupper Roller type Pinion to gearcase Roller type Propeller shaft to oil pump Roller type Front gear bushing to propeller shaft .002 max- .001 minPropeller on shaft spline