Mercury Mariner Outboard 40/50/55/60 2-stroke Service Manual, Page 159Get this manual

Mercury Mariner Outboard 40/50/55/60 2-stroke Service Manual, Page 159

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Installing Drive Gear (For Oil Injection Pump) Onto Crankshaft 1 Refer to Section 4A (Powerhead) for proper disassembly of components2 Inspect gear teeth for damageReplace gear if any of these problem