Sierra Marine Parts Catalog
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OUTBOARD—YAMAHA-Gearcase40&50HP(1984-87)
Gearcase 50-75 HP 3 Cyl 1979-2003
Figure
#
Description
Part #
O.E.M. #
Qty.
Figure
#
Description
Part #
O.E.M. #
Qty.
1
Bolt, Water Pump Housing
—
97395-08055-00
2
2
Washer, Water Pump Housing
—
92990-08600-00
4
3
Housing, Water Pump
—
663-44311-02-00
1
4
Insert, Water Pump
663-44322-00-00
1
5
Impeller
6H4-44352-02-00
1
6
Gasket, Wear Plate to Water
Pump
663-44315-A0-00
1
7
Wear Plate, Water Pump
663-44323-00-00
1
8
Gasket, Wear Plate to Water
Pump
663-44324-A0-00
1
9
Base, Water Pump
—
663-44341-00-94
1
10
Gasket, Pump Base
—
663-44316-A0-00
1
11
O-Ring, Pump Base
93210-41042-00
1
12
Oil Seal, Pump Base
93101-23070-00
2
13
Bolt, Water Pump Housing
97095-08045-00
2
14
Water Pump Repair Kit
6H4-W0078-00-00
1
15
Water Seal
—
663-44366-00-00
1
16
Bearing, Tapered Roller
—
93332-00079-00
1
17
Drive Shaft (Short)
—
6H4-45501-00-00
1
17
Drive Shaft (Long)
—
6H4-45501-10-01
1
18
Shim (0.5mm)
—
663-45587-00-05
AR
Shim (0.8mm)
—
663-45587-00-08
AR
Shim (0.12mm)
—
663-45587-01-12
AR
Shim (0.30mm)
—
663-45587-01-30
AR
Shim (0.50mm)
—
663-45587-01-50
AR
19
Sleeve, Drive Shaft
—
6H4-45536-00-0
1
20
Bearing, Needle
—
93315-32224-00
1
21
Bearing (not used 1988 & later)
—
663-45552-00-00
1
22
Gear, Pinion
—
6H4-45551-00-00
1
23
Nut, Pinion Gear
—
90170-12138-00
1
24
Key, Woodruff
90280-03024-00
1
25
Gearcase Seal Kit
6H4-W0001-20-00
1
26
Bolt, Plate
—
97095-06016-00
1
27
Washer, Plate
—
92990-06600-00
1
28
Plate
—
6H4-45321-01-00
1
29
O-Ring, Plate
—
93210-49046-00
1
30
Shift Cam Assembly (short shaft)
—
6H4-44150-01-00
1
Shift Cam Assembly (long shaft)
—
6H4-44150-12-01
1
31
O-Ring, Bearing Housing
93210-66M98-00
1
32
Plug, Vent
—
90340-08M04-00
2
33
Pin, Dowel
—
93604-08062-00
2
34
Gasket, Drain Plug
—
90430-08020-00
3
35
Nut, Nylock
—
90185-05904-00
1
36
Cover, Water Inlet (stbd)
—
688-45215-02-00
1
37
Washer, Locking
—
92990-10100-00
4
38
Bolt
—
97078-10040-00
4
39
Bearing, Ball
—
93306-00702-00
1
40
Plug, Drain
688-45341-00-00
1
41
Propeller
—
various
1
42
Bolt, Trim Tab
—
97575-08675-00
1
43
Casing, Lower
—
6H4-45301-01-EK
1
44
Washer, Locking
—
92990=08100-00
1
45
Bolt, Lower Casing
—
97095-08085-00
1
46
Tab, Trim
18-6096A
664-45371-01-00
1
47
Seal Rubber
—
688-45375-00-00
1
48
Guide, Seal Rubber
—
663-45376-00-94
1
49
Screw Ovalhead
—
98780-05535-00
1
50
Cover, Water Inlet (port)
—
668-45214,02-00
1
51
Shim Forward Gear (0.5mm)
—
6H4-45567-00-05
1
Shim Forward Gear (0.8mm)
—
6H4-45567-00-08
AR
Shim Forward Gear (0.12mm)
—
6H4-45567-01-12
AR
Shim Forward Gear (0.30mm)
—
6H4-45567-01-30
AR
Shim Forward Gear (0.50mm)
—
6H4-45567-01-50
AR
52
Bearing, Tapered Roller
—
93332-000V4-00
1
53
Gear, Forward
—
6H4-45560-00-00
1
54
Pin, Cross (clutch dog)
—
90250-06023-00
1
55
Clutch, Sliding
—
663-45631-01-00
1
56
Retainer Ring, Cross Pin
—
663-45633-00-00
1
57
Plunger, Shift
—
676-45635-00-00
1
58
Slide, Shift
—
663-45634-00-00
1
59
Spring, Compression
—
60501-16M01-00
1
60
Shaft, Propeller
679-45611-01-00
1
61
Washer, Plate
—
90201-22429-00
1
62
Gear, Reverse
—
6H4-45571-00-00
1
63
Shim Reverse Gear (0.5mm)
—
663-45577-00-05
AR
Shim Reverse Gear (0.8mm)
—
663-45577-00-08
AR
Shim Reverse Gear (0.12mm)
—
663-45577-01-12
AR
Shim Reverse Gear (0.30mm)
—
663-45577-01-30
AR
Shim Reverse Gear (0.50mm)
—
663-45577-01-50
AR
64
Washer, Thrust
—
663-45576-00-00
1
65
Pin, Cotter
91490-30030-00
1
66
Nut, Castle
90171-16011-11
1
67
Washer
—
92990-16200-00
1
68
Spacer, Prop Mounting (aft)
—
670-45997-02-00
1
69
Spacer, Prop Mounting (fore)
—
663-45987-02-00
1
70
Nut, Cover
—
697-45385-00-00
1
71
Washer, Tab
—
90214-48M03-00
1
72
Oil Seal, Bearing Housing
93101-22067-00
2
73
Bearing, Needle
—
93317-22204-00
1
74
Key, Bearing Housing
—
90282-04010-00
1
75
Housing, Bearing
—
679-45331-00-94
1
AR
As required