6C-22 - LOWER UNIT 90-824052R3 JUNE 2002
Lower Shift Shaft and Bushing
REASSEMBLY AND INSTALLATION
1. Position shift shaft bushing on a press with
threaded side down.
2. Apply a small amount of Loctite 271 to outside
diameter of oil seal.
3. Press oil seal into shift shaft bushing with lip of
seal up.
4. Wipe off any excess Loctite from oil seal and
bushing.
5. Place rubber washer against oil seal.
6. Install O-ring over threads and up against
shoulder of bushing.
7. Lubricate O-ring and oil seal with 2-4-C w/Teflon
Marine Lubricant.
8. Install “E” clip (if equipped) into groove in lower
shift shaft.
9. Position shift cam (with word “UP” facing up
towards powerhead) into forward portion of gear
housing between cast webbing. Ramps on shift
cam must be visible from rear of gear housing
[longer side of cam (reverse ramp) must be
toward left side of gear housing (fill screw hole
side)].
10. Place lower shift shaft (short spline end) into shift
shaft cavity. Rotate shift shaft to engage splines
into splines of shift cam.
a
51883
a - Longer Side
11. Apply a light coat of 2-4-C w/Teflon to threads of
shift shaft bushing.
12. Place shift shaft bushing over shift shaft and start
threads of bushing into gear housing by hand.
13. Finish tightening shift shaft bushing with Shift
Shaft Bushing Tool (91-31107).
14. Torque Bushing to 50 Ib. ft. (67.5 N·m).
a
51800
a - Shift Shaft Bushing Tool (91-31107)
Bearing Carrier
REASSEMBLY
1. Apply a light coat of Needle Bearing Assembly
Lubricant onto outside diameter of propeller shaft
needle bearing.
2. Place propeller shaft needle bearing into aft end
of bearing carrier with numbered side toward aft
end.
3. Use a suitable mandrel and press needle bearing
into bearing carrier.
a
51880
a - Mandrel
4. Apply Loctite 271 to outer diameter of propeller
shaft oil seals.
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