1995 Mariner Mercury Outboards Service Manual 50HP 4-Stroke, Page 113Get this manual

1995 Mariner Mercury Outboards Service Manual 50HP 4-Stroke, Page 113

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Specifications Valves ValveNalve SeatNalve Guides: Valve Clearance (cold) Intake Exhaust Valve Dimensions: "A" Head Diameter Intake Exhaust "B" Face Width Intake Exhaust "C" Seat Width Intake Exhaust