Gearcase Installation - Mercury 40 Service Manual

BIGFOOT GEAR HOUSING
6. Replace this lubricant "Vent" screw and gasket only and continue filling until excess
starts to flow out of second lubricant "Vent" screw hole.
7. Let gearcase sit for at least on minute to allow lube to settle out, then top off.
a -
b -
c -
8. Replace second lubricant "Vent" screw and gasket.
IMPORTANT: Do not lose more than one fluid ounce (30cc) of gear lubricant while re-
installing "FILL" screw.
9. Remove lubricant tube from "Fill" hole; install "Fill" screw and gasket.

Gearcase Installation

Disconnect (and isolate) spark plug leads from spark plugs before installing gear
housing onto driveshaft housing. Failure to follow this warning could result in acci-
dental engine starting and possible injury.
1. Position outboard shift linkage into forward gear position.
Models 40/50 Bigfoot (4-Stroke)
Remote Control Model Shown
a -
Page 6B-58
Vent Screw - Torque to 60 lb-in. (6.8 Nm)
Fill/Drain Screw - Torque to 60 lb-in. (6.8 Nm)
Oil Level Vent Screw - Torque to 60 lb-in. (6.8 Nm)
a
Shift Lever
a
53922
WARNING
c
b
90-828631R3 MARCH 1999