Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 36Get this manual

Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 36

GENERAL INFORMATION
Propeller RemovalInstallation
Standard Models
If the propeller shaft is rotated while the engine is in gear, there is the po,;sib engine will crank over and startTo prevent this type of accidental engine starting and possible se rious injury caused from being struck by rotating propeller, always shift outboard to neutral pos ition and remove spark plug leads when you are servicing the propeller1Shift outboard to neutral position

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