Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 155Get this manual

Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 155

CYLINDER BLOCK AND CRANKCASE
Measuring Outer Diameter of Piston Pin
Standard Value 0.6299 in(16 mm) Out of the Limit If 0.6287 in(15.97 mm) or less requires replacement

Measuring Diameter of the Piston Pin Hole
Standard Value 0.6300 in(16.002 mm) Out of the Limit Depends on clearance between piston pin and hole
Clearance Between Piston Pin and Piston Pin Hole
Standard Value 0.00010.0005 in(0.002 0.012 mm) Out of the Limit If 0.00157 in(0.04 mm) or more requires replacement

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