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TRACTOR - - MODEL NUMBER 917.275632
BRIGGS & STRATTON ENGINE-MODEL NUMBER 31P777, TYPE NUMBER 0348-E1
KEY PART KEY PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION
1 697174 Cylinder Assembly 108 690464 Valve-Choke (Manual Choke)
2 399265 Kit-Bushing/Seal 108A 692344 Valve-Choke (Choke A Matic)
(MagnetoSide) 117 694352 O Jet-Main (Standard)
3 391086 • Seal-Oil (Magneto Side) 118 697228 Jet-Main (High Altitude)
4 697188 Sump-Engine 121 697241 Kit-Carburetor Overhaul
5 698147 Head-Cylinder 125 698445 Carburetor
7 699168 o+ 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 Float-Carburetor
13 690360 Screw (Cylinder Head) 137 281165 O:1: Gasket-Float Bowl
15 690946 Plug-Oil Drain 141 495097 Kit-Choke Shaft (Manual
16 697127 Crankshaft Choke)
20 690947 • Seal-Oil (PTO Side) 141A 495931 Kit-Choke Shaft (Choke A
22 692125 Screw (Crankcase Matic)
CoverSump) 142 697140 O Nozzle-Carburetor
23 693556 Flywheel 146 691639 Key-Timing
24 222698 Key-Flywheel 186 698174 Connector-Hose
25 699052 Piston Assembly (Standard) 187 697098 Line-Fuel
699054 Piston Assembly (.020" 187A 698417 Line-Fuel
Oversize) 188 691693 Screw (Control Bracket)
26 699051 Ring Set (Standard) 192 691986 Adjuster-Rocker Arm
697559 Ring Set (.020" Oversize) 202 691841 Link-Mechanical 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 (.020" 227 691374 Lever-Governor Control
Undersize) 232 691842 Spring-Governor
32 692852 Screw (Connecting Rod) 238 691843 Cap-Valve
33 695760 Valve-Exhaust 240 691035 Filter-Fuel
34 695761 Valve-intake 265 691024 Clamp-Casing
35 691279 Spring-Valve (intake) 267 695134 Screw (Casing Clamp)
36 691279 Spring-Valve (Exhaust) 276 692255 O:1: Washer-Sealing
37 697352 Guard-Flywheel 304 699829 Housing-Blower
42 691752 Keeper-Valve 305 697102 Screw (Blower 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 oO$+ Gasket-Intake 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) 356 697089 Wire-Stop
78 691003 Screw (Flywheel Guard) 358 697191 Gasket Set-Engine
89 690283 Plug-Oil 363 19203 Flywheel Puller
93 690602 O Bushing-Throttle Shaft
94 498030 Kit-Idle Mixture included in Engine Gasket Set, Key. No. 358
95 691636 Screw (Throttle Valve) O included in Carburetor Overhaul Kit, Key. No.
98 495800 Kit-Idle Speed 121
104 690525 O Pin-Float Hinge :l: included in Carburetor Gasket Set, Key. No.
105 231855 O Valve-Float Needle 977
106 691780 O Seat-inlet + included in Valve Gasket Set, Key. No. 1095
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
48