EasyManuals Logo

Mercury 90 Service Manual

Mercury 90
574 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #477 background imageLoading...
Page #477 background image
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)

Table of Contents

Other manuals for Mercury 90

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Mercury 90 and is the answer not in the manual?

Mercury 90 Specifications

General IconGeneral
BrandMercury
Model90
CategoryOutboard Motor
LanguageEnglish

Related product manuals