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31P777-0115
REF.
PART
NO.
NO.
1
BS-697174
2
BS-399265
3
BS-391086S
4A
BS-697188
5
BS-698148
7
BS-699168
9
BS-697109
10
BS-697157
11
BS-697113
12
BS-697110
13
BS-690360
15
BS-691680
16
BS-697127
20
BS-690947
22
BS-692125
23
BS-693556
24
BS-222698S
25
BS-699052
BS-699053
BS-699054
BS-699055
26
BS-699051
BS-697558
BS-697559
BS-697560
27
BS-698469
28
BS-697099
29
BS-697126
BS-697263
32
BS-692852
33
BS-695760
34
BS-695761
35
BS-691279
DESCRIPTION
Cylinder Assembly
Kit-Bushing/Seal (Magneto Side)
Seal–Oil (Magneto Side)
Sump–Engine
Head–Cylinder
Gasket–Cylinder Head
Gasket–Breather
Screw (Breather Assembly)
Tube–Breather
Gasket–Crankcase (Standard)
Screw (Cylinder Head)
Plug–Oil Drain (Flush)
Crankshaft
Seal–Oil (PTO Side)
Screw (Crankcase Cover/Sump)
Flywheel
Key–Flywheel
Piston Assembly (Standard)
Piston Assembly (.010")
Piston Assembly (.020")
Piston Assembly (.030")
Ring Set (Standard)
Ring Set (.010")
Ring Set (.020")
Ring Set (.030")
Lock–Piston Pin
Pin–Piston (Standard)
Rod–Connecting (Standard)
Rod–Connecting (.020")
Screw (Connecting Rod)
Valve–Exhaust
Valve–Intake
Spring–Valve (Intake)
REF.
PART
NO.
NO.
36
BS-691279
37
BS-697352
42
BS-499586
43
BS-691968
45
BS-690564
46
BS-698492
50
BS-699028
51
BS-692137
53
BS-690227
54
BS-691148
73
BS-697133
74
BS-697897
78
BS-691003
81
BS-691178
93
BS-281346
94
BS-498030
95
BS-691636
98
BS-495800
104
BS-690525
105
BS-231855
106
BS-691780
108
BS-690464
117
BS-694352
118
BS-697228
121
BS-697241
125
BS-699937
127
BS-695005
130
BS-691750
131
BS-494379
133
BS-494381
137
BS-281165
141
BS-495097
142
BS-697140
7.
DESCRIPTION
Spring–Valve (Exhaust)
Guard–Flywheel
Keeper–Valve
Slinger–Governor/Oil
Tappet–Valve
Camshaft
Manifold–Intake
Gasket–Intake
Stud (Carburetor)
Screw (Intake Manifold)
Screen–Rotating
Screw (Rotating Screen)
Screw (Flywheel Guard)
Lock–Muffler Screw
Bushing–Throttle Shaft
Kit–Idle Mixture
Screw (Throttle Valve)
Kit–Idle Speed
Pin–Float Hinge
Valve–Float Needle
Seat–Inlet (Pump Feed)
Valve–Choke
Jet–Main (Standard)
Jet–Main (High Altitude)
Kit–Carburetor Overhaul
Carburetor (Pump Feed)
Plug–Welch (5/16" Diameter)
Valve–Throttle
Kit–Throttle Shaft
Float–Carburetor
Gasket–Float Bowl
Kit–Choke Shaft
Nozzle–Carburetor (Standard)
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