Mercury 150 EFI Service Manual page 550

2. Remove thrust bearing and thrust washer from reverse gear bearing cup.
3. Remove reverse gear bearing adaptor. Remove, measure and make note of the shim
thickness and discard (DO NOT reuse shims if they are damaged during removal)
the shims.
a a
b
a -
b -
c -
d -
e -
g -
h -
CLEANING AND INSPECTION
DO NOT spin bearings dry with compressed air, as this could cause bearing to
score.
1. Clean reverse gear and bearing with solvent and dry with compressed air. DO NOT
spin the bearing.
2. Inspect gear teeth for pitting, grooves, scoring, uneven wear and for discoloration
(from overheating). Replace gear if any of these conditions are found.
90-883728 JULY 2001
b
c
c
Thrust Bearing
Thrust Washer
Reverse Gear Bearing Adaptor
Bolt (91-31229)
Nut (91-11-24156)
f - Guide Plate (91-816243)
Washer (91-34961)
Puller Head (from Slide Hammer Puller Kit 91-34569A1)
i - Jaws (91-816242)
a
d
b
e
e
h
f
i
50882
CAUTION
LEFT HAND NON-RATCHETING
g
c
d
f
50780
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