Mariner Mercury 105/140 JET, Service Manual

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90-824052R3 JUNE 2002 LOWER UNIT - 6A-53
12. Apply a light coat of Quicksilver 2-4-C w/Teflon
Marine Lubricant to threads of shift shaft bushing.
(Thread bushing into position, but do not tighten
down at this time.)
a
c
b
d
51867
a - Shift Shaft Bushing
b - Shift Shaft
c - “E” Ring (If Equipped)
d - Round Retaining Ring (If Equipped)
13. Lubricate O-ring on bearing carrier with
Quicksilver 2-4-C w/Teflon Marine Lubricant.
14. Apply a light coat of Quicksilver 2-4-C w/Teflon
Marine Lubricant to outside diameter of bearing
carrier (where carrier contacts gear housing).
NOTE: When performing Step 16, rotate driveshaft
clockwise (viewed from top) to mesh pinion gear with
reverse gear.
NOTE: DO NOT reinstall thrust spacer onto propeller
shaft if installing high altitude 2.3:1 gear set.
15. Install thrust spacer onto propeller shaft.
16. Position bearing carrier over propeller shaft and
slide it into gear housing. (Be sure to align bear-
ing carrier keyway with gear housing keyway.)
17. Push bearing carrier in as far as possible by
hand, then install bearing carrier key.
18. Place tab washer against bearing carrier.
19. Apply Quicksilver 2-4-C w/Teflon Marine
Lubricant to threads of cover nut and install cover
nut in gear housing (verify that the word “OFF”
and arrow are visible).
CAUTION
Before torquing bearing carrier cover nut, gear
case should either be mounted in a stand
specifically designed for holding gear cases or
bolted to a driveshaft housing to avoid possible
damage to the gear case.
20. Start cover nut a few turns by hand, then using
Cover Nut Tool (91-61069) and torque wrench,
torque cover nut to 210 Ib. ft. (284.5 N·m) for
production models and 250 lb. ft. (339.0 N·m) for
high performance Pro Max and Super Magnum
models.
b
c
a
51871
a - O-ring
b - Cover Nut Tool
c - Torque Wrench
21. Bend one lock tab of tab washer into cover nut
(only one will align).
22. Bend remaining tabs of tab washer toward front
of gear housing.
23. Use Shift Shaft Bushing Tool (91-31107) and
torque shift shaft bushing to 50 Ib. ft. (67.5 N·m).
51882
b
a
a - Shift Shaft Bushing Tool (91-31107)
b - Shift Shaft Bushing
Water Pump
REASSEMBLY/INSTALLATION
1. Install oil seals into water pump base, as follows:
a. Place water pump base on a press.