1976 Evinrude 40HP outboards Service Manual, Page 10Get this manual
CLEARANCE CHART POWER HEAD Piston ring gap Piston ring groove clearance, lower Piston pin to pistonloose end Cylinder and piston Crankshaft end play .017 Max- .007 Min.0040 Max- .0015 Min0010 Max- .001 Min.0050 Max- .0030 Min.011 Max- .003 MinLOWER UNIT Propeller shaft in front gear bushing Rear reverse gear to rear bushing Reverse gear bushing to propeller shaft Propeller on shaft at drive pin hole Propeller on shaftabove the shoulder .0020 Max- .0010 Min.0020 Max- .0005 Min.0015 max- .0005 Min
.007 Max- .003 Min.0069 Max- .0034 Min
TORQUE CHART
POWER HEAD Flywheel nut Connecting rod screw Cylinder head screws Crankcase to cylinder screws upper and lower center ElectriC starter through bolts Spark plug Starter housing screws Manual starter to cylinder lock-out lever screw 100105 Foot-pounds 348372 Inch-pounds (2931 Foot-pounds) 168192 Inch-pounds LOWER UNIT Side mounts upper and lower nuts Front mount upper nut Pilot shaft to steering bracket screws Slip Clutch PropellerPull at propeller shaft for tilt up lower unitsPull at propeller shaft to overcome reverse lock 150170 Inch-pounds (1214 Foot-pounds) 240320 Inch-pounds (2026 Foot-pounds) 120140 Inch-pounds (1012 Foot-pounds) 180 Foot-pounds Min