2. Install oil
pump
gear and secure
with
nut and
washer.
3. Position one spacer,
idler gear and second
spacer onto
idler shaft.
4.
Install bearing into gearcase cover.
Me
asu
re
from the gasket surface of
the
gearcase cover
to the face of
the
inner race of the bearing.
(See B
Fi
gu
re
3-74
.)
Also measure
from
the
gasket face of the crankcase to the face of the
drive gear on the end of
the
crankshaft. (See A
Figure
3-74
.)
Subtract
dimension
B from
dimension A the
results
would
be
the
clearance.
(GEARCASE)
COVER
A
BEARING
(GEARCASE)
CR
ANKCASE
B
CRANKSHAFT
(PTO)
F
igur
e 3-
74
C
leara
nc
e = Dimension B-A
Sh
im No. R
equ
ir
ed
.0052
-.
0156 inches (0. 135-0.39 mm)
No
ne
.0157-.0232 i
nches
(0.4
-0
.
59
mm)
(1
)
.0236-.0312 i
nches
(0.6-0.79 mm)
(1)
+ (1)
.0315-.0390
in
ch
es
(0.8-0.
99
mm)
(2)
.0394-.0469 in
ches
(1.0-1.19 mm)
(1)
+ (2)
.0472-.0537 i
nches
(1
.2-1.39 mm)
(3)
.0551 -.0626 inch
es
(1.4-1.59 mm)
(2)
+ (2)
.0629
-.0705 in
ches
(1.6-1.79 mm)
(4)
.
0709
-.
0783 inches (
1.
8-
1.99 mm)
(2)
+ (3)
.0787-.0862 i
nches
(2.0-2.19 mm)
(2)
+ (2) + (2)
.08
66-.0931 inches (2.2
-2
.3
9 mm)
(3)
+ (3)
.0945-.1020 inches (2.4-2.59 mm)
(2)
+ (2) + (3)
.1024-.1076 inc
hes
(2.6
-2
.735 mm)
(3)
+ (4)
SHIM NUMBER DESCRIPTION
No.
Thickness Part N
o.
(1)
.00787 inches (0.2 ± 0.015 mm)
92025-3007
(2)
.02362 inches (0.6 ± 0.030 mm)
92025-3008
(3)
.03937 inches (1.0 ± 0.040 mm)
92025-3009
(4)
.05512 i
nches
(1.4 ± 0.050 mm)
92025-3010
Wi
th
the
correct shims
there
shou
ld
be
an axi
al
clearance of
0.004-0
.
016
in. (0.1
5-0
.
39
mm).
5.
In
stall a
new
O-ring i
nto
gearcase cover and
coat gasket surface
slight
ly w i
th
silicone
sealer. (See
Figure 3-75.) The outer seal in the
gearcase cover is a
double lip seal. Fill the area
between
the
two
lips
with
grease before
installing the cover.
~
...
--...-
Figure
3-75
6. Install gearcase cover and secure
with
bolts
removed previously.
7.
Re
install the oi l
pump
nozzles to the cylinders.
Bleed
oil
pump
by
removing
bleed
boat
and
holding
control
lever
in
full
open position.
Hold
lever open
until
ALL
air
is
bled
from
tube feeding
the
pump.
To
bleed
air
from
the
output
tubes
of
the
oil
pump, idle
the
engine
at
3000
RPM.
Hold
the
control
lever
full
open for one
minute.
8.
Fill gearcase to just above center of
sight
glass but not
higher
than
the
top w i
th
SHELL XL
100
1
OW-30
non-foam
ing engine
oil. (See
Fig
ure 3-76.) The gearcase oil
should
be
changed
after
the
first
100
miles
and
thereafter
at
the
end of each season.
OIL
INJECTION
SYSTEM
3-61
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