Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 98Get this manual

Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 98

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General Specifications General

Diameter Standard Clearance Piston Ring End Gap Crankshaft Con nect ing Rod Side Clearance Reed Block Reed Stop Opening

.007 into .011 in(O.17m