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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