Mercury 40 Service Manual page 518

BIGFOOT GEAR HOUSING
Removal
To prevent accidental engine starting, remove (and isolate) spark plug leads from
spark plugs before removing gear housing.
1. Remove (and isolate) spark plug leads from spark plugs.
2. Shift engine into forward gear.
3. Tilt engine to full "Up" position.
4. Remove 4 fasteners.
5. Remove locknut and washer.
6. Remove gear housing.
a -
b -
Page 6B-12
a
Fasteners (2 Each Side)
Locknut and Washer
WARNING
b
53992
90-828631R3 MARCH 1999