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TRACTOR o ° MODEL NUMBER 917.274821
BRmGGS
& STRATTON ENGmNE=MODEL NUMBER 31P777, TYPE NUMBER 0296=E1
KEY
PART
KEY
PART
NO.
NO.
DESCRmPTION
NO.
NO.
DESCRiPTiON
1
697174
Cyiinder Assembly
108A
692344
Valve-Choke (Choke A Matic)
2
399265
Kit-Bushing/Seal
(Magneto Side)
117
694352
O
Jet-Main (Standard)
3
391086
,,
SeaFOil (Magneto Side)
118
697228
Jet-Main (High Altitude)
4
697188
Sump-Engine
121
697241
Kit-Carburetor OverhauI
5
698147
Head-Cylinder
125
698445
Carburetor
7
699168
_+
Gasket-Cylinder
Head
127
695005
Plug-Welch
9
697109
•
Gasket-Breather
130
691750
Valve-Throttle
11
697113
Tube-Breather
131
494379
Kit-Throttle Shaft
12
697110
•
Gasket-Crankcase
133
494381
FIoat-Carburetor
13
690360
Screw (Cylinder Head)
137
281165
O1: Gasket-Float BowI
15
690946
Plug-Oil Drain
141
495097
Kit-Choke Shaft (Manual Choke)
16
697127
Crankshaft
141A
495931
Kit-Choke Shaft (Choke A Matic)
20
690947
,,
SeaFOil (PTO Side)
142
697140
O
Nozzle-Carburetor
22
692125
Screw (Crankcase Cover/Sump)
146
691639
Key-Timing
23
693557
Flywhee!
186
692317
Connector-Hose
24
222698
Key-FIywheel
187
697098
Line-Fuel
25
699052
Piston Assembly (Standard)
187A
698417
Line-Fuel
--
699054
Piston Assembly (.020" Oversize)
188
691693
Screw (Control Bracket)
26
699051
Ring Set (Standard)
192
691986
Adjuster-Rocker
Arm
--
697559
Ring Set (.020" Oversize)
202
691841
Link-MechanicaI
Governor
27
698469
Lock-Piston Pin
209
692208
Spring-Governor
28
697099
Pin-Piston
216
691840
Link-Choke
29
697126
Rod-Connecting (Standard)
222
694042
Bracket-Control
--
697263
Rod-Connecting
227
691374
Lever-Governor Control
(.020" Undersize)
232
691842
Spring-Governor
32
692852
Screw (Connecting Rod)
238
691843
Cap-Valve
33
695760
Valve-Exhaust
240
298090
Filter-Fuel
34
695761
Valveqntake
265
691024
Clamp-Casing
35
691279
Spring-Valve (Intake)
267
695134
Screw (Casing Clamp)
36
691279
Spring-Valve (Exhaust)
276
692255
O$ VVasher-Sealing
37
697108
Guard-FIywhee!
304
699829
Housing-Blower
40
690964
Retainer-Valve
305
697102
Screw (B!ower Housing)
43
691968
Slinger-Governor/Oil
305A
697103
Screw (Blower Housing)
45
690564
Tappet-Valve
306
697107
Shield-Cylinder
46
698492
Camshaft
307
691003
Screw (Cylinder Shield)
48
697762
Short Block
309
693551
Motor-Starter
50
690193
Manifold-Intake
310
690323
Bolt (Starter Motor)
51
692137
,,O$+Gasket-lntake
311
497608
Brush Set
53
690227
Stud (Carburetor)
333
492341
Armature-Magneto
54
691148
Screw (Intake Manifold)
334
691061
Screw (Magneto Armature)
73
697133
Screen-Rotating
337
691043
Plug-Spark
74
697897
Screw (Rotating Screen)
358
697191
Gasket Set-Engine
78
691003
Screw (FIywhee! Guard)
363
19203
Flywhee! PulIer
89
690283
Phg-Oil
383
89838
Wrench-Spark
Plug
93
690602
G
Bushing-Throttle
Shaft
385
694476
Screw (Fuel Pump)
94
498030
Kit-Idle Mixture
385A
690297
Screw (Fue! Pump)
95
691636
Screw (Throttle Valve)
98
495800
Kit-Idle Speed
,,
Included in Engine Gasket Set, Key. No. 358
104
690525
G
Pin-FIoat Hinge
O
Included in Carburetor OverhauI Kit, Key. No.
105
231855
G
Valve-Float Needle
121
106
691780
G
Seat-lnIet
$
Inctuded in Carburetor Gasket Set, Key. No.
108
690464
Valve-Choke (Manual Choke)
977
Included in Valve Gasket Set, Key. No. 1095
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
53
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