90-830234R3 DECEMBER 1997 LOWER UNIT - 6A-25
IMPORTANT: Oil sleeve must be installed prior to
upper drive bearing installation.
IMPORTANT: Upper drive shaft bearing/sleeve
can be installed with or without lower drive shaft
bearing cup installed.
3. Install bearing/sleeve into housing.
f
c
e
d
e
f
c
a
b
d
53935
a - Bearing/Sleeve
b - Tapered End
c - Mandrel* (91-13781)
d - Mandrel* (91-13780)
e - Threaded Rod** (91-31229)
f - Nut** (11-24156)
* From Bearing Installation Tool (91-14309A1)
** From Bearing Removal and Installation Kit (91-31229A7)
Forward Gear, Lower Drive Shaft
Bearing, Pinion Gear, and Drive Shaft
Installation
Model Drive Shaft Holding Tool
50 Bigfoot (4-Stroke) 91-56775
60 Bigfoot 91-817070
75/90/100/115/125 91-56775
1. Install components in sequence shown.
d
e
d
b
c
f
a
19175
7
Loctite 271 (92-809820)
7
a - Forward Gear/Bearing: Work Quicksilver gear lube into
bearing rollers.
b - Lower Drive Shaft Tapered Roller Bearing: Work Quicksil-
ver gear lube into bearing rollers.
c - Pinion Gear
d - Drive Shaft
e - Drive Shaft Holding Tool
f - Pinion Nut (New): Apply Loctite 271 to threads during final
assembly (after pinion gear depth and forward gear back-
lash have been set), torque to 70 lb. ft. (95 N·m)
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