Gear Housing Installation - Mercury 45 Jet 50-55 Service Manual

3. Insert lubricant tube in "Fill" hole, then remove "Vent"
plugs and gaskets (b and c).
4. Fill until excess lubricant flows out of "Vent" hole (b).
5. Replace this "Vent" plug and gasket and continue to fill
until lubricant flows from second "Vent" hole (c).
6. Replace this "Vent" plug and gasket (c).
7. Install "Fill" plug and gasket (a).
a - "Fill" Plug
b - "Vent" Plug
c - "Vent" Plug
Torque screws to 35-80 lb. in. (3.8-8.8 N·m)
90-817643R1 DECEMBER 1996
b
c
a
50558

Gear Housing Installation

WARNING
!
Disconnect (and isolate) spark plug leads before in-
stalling gear housing onto driveshaft housing.
1. Position shift block (a) in forward gear position.
a
a - Shift Block
2. Tilt engine to full "Up" position. Engage tilt lock lever.
3. Shift gear housing into neutral. Propeller shaft will ro-
tate freely in either direction.
4. Install water tube seal (a), spacer (b) and shift shaft
coupler (c).
A
a
2-4-C Marine Lubricant (I.D. of seal,
A
coupler splines)
51190
c
b
51206
LOWER UNIT - 6A-25