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TRACTOR
o o MODEL
NUMBER
917.273383
BRmGGS & STRATTON ENGmNE=MODEL NUMBER 31CT07,TYPE
NU_,_BER 0230=E1
KEY
PART
KEY
PART
NO.
NO.
DESCRmPTmON
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
o÷
o
50
690193
51
692137_G$+
53
690227
54
691148
73
697384
74
697987
75
690582
78
691003
93
690602
G
94
498030
95
691636
98
495800
104
690525
G
105
231855
G
106
690577
G
108
690464
108A
692344
117
694352
G
Cylinder Assembly
118
697492
Jet-Main (High Altitude)
Kit-Bushing/Seal
(Magneto Side)
121
697241
Kit-Carburetor Overhaul
Seal-Oil (Magneto Side)
125
697190
Carburetor
Sump-Engine
127
695005
Plug-Welch
Head-Cylinder
130
691750
VaIve-Throttle
Gasket-Cylinder Head
131
494379
Kit-Throttle Shaft
Gasket-Breather
133
494381
FIoat-Carburetor
Screw (Breather Assembly)
137
281165
G$ Gasket-Float Bowl
Tube-Breather
141
495097
Kit-Choke Shaft (Manual Choke)
Gasket-Crankcase
141A
495931
Kit_Choke Shaft (Choke A Matic)
Screw (Cylinder Head)
142
697140
G Nozzle-Carburetor
Plug-Gil Drain
146
691639
Key-Timing
Crankshaft
186
692317
Connector-Hose
Seal-Oil (PTO Side)
187
691050
Line-Fuel (Cut to Required
Screw (Crankcase Cover/Sump)
Length)
Flywheel
188
691693
Screw (Control Bracket)
Key-Flywheel
192
691986
Adjuster-Rocker
Arm
Piston Assembly (Standard)
202
691841
Link-Mechanical Governor
Piston Assembly (.010" Over-
209
692208
Spring-Governor
size)
216
691840
Link-Choke
Piston Assembly (.020" Over-
222
694042
Bracket-Control
size)
227
691374
Lever-Governor Control
Piston Assembly (.030" Over-
231
691636
Screw (Choke Valve)
size)
232
691842
Spring-Governor
Ring Set (Standard)
238
691843
Cap-Valve
Ring Set (.010" Oversize)
240
394358
FiIter-Fuet
Ring Set (.020" Oversize)
265
691024
Clamp-Casing
Ring Set (=030" Oversize)
267
695134
Screw (Casing Clamp)
Lock-Piston Pin
276
692255
G$ Washer-Sealing
Pin-Piston
304
698402
Housing-Blower
Rod-Connecting (Standard)
305
697102
Screw (Blower Housing)
Screw (Connecting Rod)
305A
697103
Screw (Blower Housing)
VaIve-Exhaust
306
697107
Shield-Cylinder
Valveqntake
307
691003
Screw (Cylinder Shield)
Spring-Valve (Intake)
309
693551
Motor-Starter
Spring-Valve (Exhaust)
309A
........
Motor-Starter (For Replacement
Guard-HywheeI
Starter Motor, See Reference
Retainer-Valve
309)
Slinger-Governor/Oil
310
690323
Bolt (Starter Motor)
Tappet-Valve
311
497608
Brush Set
Camshaft
311A
395538
Brush Set
Short Block (31C707-0230-E2
333
492341
Armature-Magneto
Replacement
334
691061
Screw (Magneto Armature)
Engine-art not available)
337
491055
PIug-Spark
Manifoldqntake
358
697191
Gasket Set-Engine
Gasketqntake
363
19203
Flywhee! PuIler
Stud (Carburetor)
Screw (Intake Manifold)
RPM Settings:
Low Speed: 1900-2100
Screen-Rotating
High Speed: 3000-3200
Screw (Rotating Screen)
Washer (FlywheeI)
,,
Included in Engine Gasket Set, Key=No= 358
Screw (Flywheel Guard)
G
Included in Carburetor Overhaul Kit, Key=No=
Bushing-Throttle Shaft
121
Kit-Hie Mixture
$
Included in Carburetor Gasket Set, Key=No=
Screw (Throttle Valve)
977
Kit-Hie Speed
+
Included in \/aIve Gasket Set, Key=No=1095
Pin-Float Hinge
Valve-Float Needle
NOTE: All component dimensions given in U=S=
Seatqnlet
inches 1 inch = 25=4 mm
\iatve-Choke (Manual Choke)
VaIve-Choke (Choke A Matic)
Jet-Main (Standard)
56
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