Mercury Mariner 4 and 5HP 4-Stroke Outboards Service Shop Manual 1999, Page 184Get this manual

Mercury Mariner 4 and 5HP 4-Stroke Outboards Service Shop Manual 1999, Page 184

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GEAR HOUSING
Propeller Removal

spark plug before removing gear housing, place block of wood between the anti ventilation plate and propeller, to protect hands from propeller blades