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TRACTOR - - MODEL NUMBER 917.272673
BRIGGS ENGINE-MODEL NUMBER 31C707, TYPE NUMBER 0230-E1
KEY PART
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 .Q$+
53 690227
54 691148
73 697384
74 697987
75 690582
78 691003
93 690602 O
94 498030
95 691636
98 495800
104 690525 tD
105 231855 Q
106 690577 Q
108 690464
108A 692344
117 694352 Q
Cylinder Assembly
Kit-Bushing/Seal (Magneto Side) 118 697492
Seal-Oil (Magnelo Side) 121 697241
Sump-Engine 125 697190
Head-Cylinder 127 695005
Gasket-Cylinder Head 130 691750
Gasket-Breather 131 494379
Screw (Breather Assembly) 133 494381
Tube-Breather 137 281165
Gasket-Crankcase 141 495097
Screw (Cylinder Head) 141A 495931
Plug-Oil Drain 142 697140
Crankshaft 146 691639
Seal-Oil (PTO Side) 186 692317
Screw (Crankcase Cover/Sump) 187 691050
Flywheel
Key-Flywheel 188 691693
Piston Assembly (Standard) 192 691986
Piston Assembly (.010" Oversize) 202 691841
Piston Assembly (.020" Oversize) 209 692208
Piston Assembly (.030" Oversize) 216 691840
Ring Set (Standard) 222 694042
Ring Set (.010" Oversize) 227 691374
Ring Set (.020" Oversize) 231 691636
Ring Set (.030" Oversize) 232 691842
Lock-Piston Pin 238 691843
Pin-Piston 240 394358
Rod-Connecting (Standard) 265 691024
Screw (Connecting Rod) 267 695134
Valve-Exhaust 276 692255
Valve-Intake 304 698402
Spring-Valve (Intake) 305 697102
Spring-Valve (Exhaust) 305A 697103
Guard-Flywheel 306 697107
Retainer-Valve 307 691003
Slinger-Governor/Oil 309 693551
Tappet-Valve 309A ........
Camshaft
Short Block (31C707-0230-E2
Replacement Engine-art 310 690323
not available) 311 497608
Manifold-Intake 311A 395538
Gasket-Intake 333 492341
Stud (Carburetor) 334 691061
Screw (Intake Manifold) 337 491055
Screen-Rotating 358 697191
Screw (Rotating Screen) 363 19203
Washer (Flywheel)
Screw (Flywheel Guard)
Bushing-Throttle Shaft
Kit-Idle Mixture
Screw (Throttle Valve)
Kit-Idle Speed
Pin-Float Hinge
Valve-Float Needle
Seat-Inlet
Valve-Choke (Manual Choke)
Valve-Choke (Choke A Matic)
Jet-Main (Standard)
KEY PART
NO, NO. DESCRIPTION
Q
Ot
Jet-Main (High Altitude)
Kit-Carburetor Overhaul
Carburetor
Plug-Welch
Valve-Throttle
Kit-Throttle Shaft
Float-Carburetor
Gasket-Float Bowl
Kit-Choke Shaft (Manual Choke)
Kit-Choke Shaft (Choke A Matic)
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)
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
RPM Settings:LowSpeed: 1900-2100
HighSpeed:3000-3200
_ Includedin EngineGasketSet, Key.No. 358
Included inCarburetor OverhaulKit,Key.No. 121
:_ Included in Carburetor Gasket Set, Key.No.977
+ IncludedinValveGasket Set, Key.No. 1095
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
52