Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 154Get this manual

Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 154

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CYLINDER BLOCK AND CRANKCASE
Measuring Diameter of the Piston Skirt
Measure diameter of the piston Standard Value 2.321 in(58.96 mm) 0.020 in(0.50 mm) Oversize 2.341 in(59.460 mm) Out of t