Mercury 40 Service Manual page 553

6. Assemble Pinion Gear Locating Tool (91-12349A2) as shown; do not tighten collar retain-
ing bolt at this time.
a - Arbor
b - Gauging Block; Install With Numbers Away
From Split Collar
c - Bolt; Gauging Block Retaining
7. Insert tool into forward gear assembly; position gauging block under pinion gear as
shown.
a -
8. Remove tool, taking care not to change gauging block position, and tighten collar retain-
ing bolt.
9. Insert tool into forward gear assembly; position proper numbered flat (from chart) of
gauging block – under pinion gear.
MODEL
40/50 Bigfoot (4-stroke)
60 Bigfoot/60 Seapro/60
Marathon
75-thru-90
(3 Cylinder)
100/115/125
(4 Cylinder)
90-828631R3 MARCH 1999
b
c
c
a
Gauging Block
GEAR RATIO (PINION GEAR
TEETH/REVERSE GEAR TEETH)
2.31:1 (13/30)
2.31:1 (13/30)
2.31:1 (13/30)
2.07:1 (14/29)
d
e
f
d - Split Collar
e - Bolt; Collar Retaining
f - Snap Ring
a
22067
USE FLAT NO.
8
8
8
2
BIGFOOT GEAR HOUSING
LOCATING DISC NO.
3
3
3
3
Page 6B-47