2001 Mercury Mariner 50-60HP Factory Service Manual, Page 263Get this manual

2001 Mercury Mariner 50-60HP Factory Service Manual, Page 263

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CYLINDER BLOCKCRANKCASE
PISTON RING SIDE CLEARANCE 1 Measure piston ring side clearanceReplace piston andor piston rings if out of specification

Piston Ring Side Clearance Top Middl