Mercury Mariner Outboard 40/50/55/60 2-stroke Service Manual, Page 391Get this manual

Mercury Mariner Outboard 40/50/55/60 2-stroke Service Manual, Page 391

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Inspection Upper Drive Shaft Bearing

Pinion Gear1 Inspect pinion gear teeth for rust, chipping, excessive wear (teeth are sharp edged) or broken2 If pinion gear teeth are damaged, also in