Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 23Get this manual

Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 23

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MAINTENANCE

Oil Changing Procedure
Pump Method 1 Place the outboard in an vertical upright position 2 Remove dipstick and thread Quicksilver Crankcase Oil Pump onto the dipstick tub