1978 Evinrude Outboards 9.9/15HP Service Manual, Page 10Get this manual
CLEARANCE CHART POWER HEAD Piston ring gap Piston ring groove clearance, lower Piston pin to piston- loose end Cylinder and piston Crankshaft end play 0.015 Max- 0.005 Min(0.380.13 mm) 0.0035 Max- 0.0025 Min(0.0890.064 mm) 0.0005 Max- 0.0000 Min(0.0130.000 mm) 0.0053 Max- 0.0025 Min(0.1350.064 mm) Controlled by lower journal bearing LOWER UNIT Propeller shaft in front gear bushing 0.0087 Max- 0.0002 Min(0.2210.005 mm)
TORQUE CHART