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TRACTOR
- - MODEL
NUMBER
917.275380
BRIGGS & STRATTON ENGINE-MODEL
NUMBER 31C707,TYPE
NUMBER 0230-E1
KEY
PART
KEY
PART
NO.
NO.
DESCRIPTION
NO.
NO.
DESCRIPTION
1
697174
2
399265
3
391086
4
697106
5
698147
7
692410
9
697109
10
697157
11
697113
12
697110
13
690360
15
690946
16
697127
20
690947
22
692125
23
693557
24
222698
25
697159
697160
697162
697163
26
697164
697165
697171
697172
27
697100
28
697099
29
697126
32
692852
33
495856
34
495857
35
691279
36
691279
37
697352
40
691752
43
691968
45
690564
46
697687
48
697761
.+
50
690193
51
692137•05+
53
690227
54
691148
73
697384
74
697987
75
690582
78
691003
93
690602
O
94
498030
95
691636
98
495800
104
690525
O
105
231855
O
106
690577
O
108
690464
108A
692344
117
694352
O
Cylinder
Assembly
118
697492
Kit-Bushing/Seal
(Magneto
Side)
121
697241
Seal-Oil
(Magneto
Side)
125
697190
Sump-Engine
127
695005
Head-Cylinder
130
691750
Gasket-Cylinder
Head
131
494379
Gasket-Breather
133
494381
Screw
(Breather
Assembly)
137
281165
Tube-Breather
141
495097
Gasket-Crankcase
141A
495931
Screw
(Cylinder
Head)
142
697140
Plug-Oil
Drain
146
691639
Crankshaft
186
692317
Seal-Oil
(PTO Side)
187
691050
Screw
(Crankcase
Cover/Sump)
Flywheel
188
691693
Key-Flywheel
192
691986
Piston Assembly
(Standard)
202
691841
Piston Assembly
(.010" Over-
209
692208
size)
216
691840
Piston Assembly
(.020" Over-
222
694042
size)
227
691374
Piston Assembly
(.030" Over-
231
691636
size)
232
691842
Ring Set (Standard)
238
691843
Ring Set (.010" Oversize)
240
394358
Ring Set (.020" Oversize)
265
691024
Ring Set (.030" Oversize)
267
695134
Lock-Piston
Pin
276
692255
Pin-Piston
304
698402
Rod-Connecting
(Standard)
305
697102
Screw
(Connecting
Rod)
305A
697103
Valve-Exhaust
306
697107
Valve-Intake
307
691003
Spring-Valve
(Intake)
309
693551
Spring-Valve
(Exhaust)
309A
Guard-Flywheel
Retainer-Valve
Slinger-Governor/Oil
310
690323
Tappet-Valve
311
497608
Camshaft
311A
395538
Short Block (31C707-0230-E2
333
492341
Replacement
334
691061
Engine-art
not available)
337
491055
Manifold-Intake
358
697191
Gasket-Intake
363
19203
Stud (Carburetor)
Screw
(Intake
Manifold)
RPM Settings:
Screen-Rotating
Screw
(Rotating
Screen)
Washer
(Flywheel)
Included
Screw
(Flywheel
Guard)
O
Included
Bushing-Throttle
Shaft
121
Kit-idle
Mixture
$
Included
Screw
(Throttle
Valve)
977
Kit-Idle
Speed
+
Included
Pin-Float
Hinge
Valve-Float
Needle
Seat-Inlet
Valve-Choke
(Manual
Choke)
Valve-Choke
(Choke
A Matic)
Jet-Main
(Standard)
Jet-Main
(High Altitude)
Kit-Carburetor
Overhaul
Carburetor
Plug-Welch
Valve-Throttle
Kit-Throttle
Shaft
Float-Carburetor
O5
Gasket-Float
Bowl
Kit-Choke
Shaft (Manual
Choke)
Kit-Choke
Shaft (Choke
A Matic)
O
Nozzle-Carburetor
Key-Timing
Connector-Hose
Line-Fuel
(Cut to Required
Length)
Screw
(Control
Bracket)
Adjuster-Rocker
Arm
Link-Mechanical
Governor
Spring-Governor
Link-Choke
Bracket-Control
Lever-Governor
Control
Screw
(Choke
Valve)
Spring-Governor
Cap-Valve
Filter-Fuel
Clamp-Casing
Screw
(Casing
Clamp)
O5 Washer-Sealing
Housing-Blower
Screw
(Blower
Housing)
Screw
(Blower
Housing)
Shield-Cylinder
Screw
(Cylinder
Shield)
Motor-Starter
Motor-Starter
(For Replacement
Starter
Motor, See Reference
309)
Bolt (Starter
Motor)
Brush
Set
Brush
Set
Armature-Magneto
Screw
(Magneto
Armature)
Plug-Spark
Gasket
Set-Engine
Flywheel
Puller
Low Speed:
1900-2100
High Speed:
3000-3200
in Engine Gasket
Set, Key. No. 358
in Carburetor
Overhaul
Kit, Key. No.
in Carburetor
Gasket
Set, Key. No.
in Valve Gasket
Set, Key. No. 1095
NOTE: All component dimensions given in U.S.
inches 1 inch = 25.4 mm
56
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