1971 Evinrude Mate 2HP outboards Service Manual, Page 10Get this manual
CLEARANCE CHART
Power head Piston ring gap .015 max- .005 minPiston ringgroove 0040 max- .0020 minCylinder and piston .0055 max- .0043 minCrankshaft Needle bearing Upper Needle bearing Lower Connecting rod .0011 max- .0004 minPiston end Needle bearing Crankshaft end fLower unit Driveshaft and bushing in gear case .0028 max- .0010 minGearcase head and propeller shaft .0022 max- .0007 minPropeller on shaft .0057 max- .0022 min.0022 max- .0007 minGearcase bushing to propeller 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 Pull at propeller shaft to tilt up lower unit 1114 lbsCREW TORQUE Torque should be used on the following sizes unless otherwise specifiedtandard screws No.6 No.8 No10 No12 .5-16" 38" Inch-Pounds 7-10 15-22 25-35 35-40 60-80 120-140 220-240 Foot-Pounds 2-3 3-4 5-7 10-12 18-20