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TRACTOR - - MODEL NUMBER 917.272760
BRIGGS & STRATTON ENGINE=MODEL NUMBER 31H777, TYPE NUMBER 0202=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/Seat (Magneto Side) 108A 692344 Valve-Choke (Choke A Matic)
3 391086 * Seat-Oil (Magneto Side) 117 694352 Q Jet-Main (Standard)
4 697188 Sump-Engine 118 692411 Jet-Main (High Altitude)
5 690188 Head-Cylinder 121 697241 Kit-Carburetor Overhaul
7 692410 ,+ Gasket-Cylinder Head 125 697190 Carburetor
9 697109 * Gasket-Breather 127 695005 Plug-Welch
10 697157 Screw (Breather Assembly) 130 691750 Valve-Throttle
11 697113 _abe-Breather 131 494379 Kit-Throttle Shaft
12 697110 * Gasket-Crankcase 133 494381 Float-Carburetor
13 690360 Screw (Cylinder Head) 137 281165 Q$ Gasket-Float Bowl
15 690946 Plug-Oil Drain 141 495097 Kit-Choke Shaft (Manual Choke)
16 697127 Crankshaft 141A 495931 Kit-Choke Shaft (Choke A Matic)
20 690947 * Seat-Oil (PTO Side) 142 697140 Q Nozzle-Carburetor
22 692125 Screw (Crankcase Cover/Sump) 146 691639 Key-Timing
23 693557 Flywheel 186 692317 Connector-H ose
24 222698 Key-Flywheel 187 691050 Line-Fuel (Cut to Required
25 697552 Piston Assembly (Standard) Length)
697555 Piston Assembly (.010" Over- 188 691693 Screw (Control Bracket)
size) 192 691986 Adjuster-Rocker Arm
697556 Piston Assembly (.020" Over- 202 691841 Link-Mechanical Governor
size) 209 692208 Spring-Governor
697557 Piston Assembly (.030" Over- 216 691840 Link-Choke
size) 222 694042 Bracket-Control
26 697553 Ring Set (Standard) 227 691374 Lever-Governor Control
697558 Ring Set (.010" Oversize) 231 691636 Screw (Choke Valve)
697559 Ring Set (.020" Oversize) 232 691842 Spring-Governor
697560 Ring Set (.030" Oversize) 238 691843 Cap-Valve
27 697100 Lock-Piston Pin 240 298090 Filter-Fuel
28 697099 Pin-Piston 265 691024 Clamp-Casing
29 697126 Rod-Connecting (Standard) 267 695134 Screw (Casing Clamp)
697263 Rod-Connecting (.020" Under- 276 692255 D:_ Washer-Sealing
size) 304 697663 Housing-Blower
32 692852 Screw (Connecting Rod) 305 697102 Screw (Blower Housing)
33 495856 Valve-Exhaust 305A 697103 Screw (Blower Housing)
34 495857 Valve-intake 306 697107 Shield-Cylinder
35 691279 Spring-Valve (intake) 307 691003 Screw (Cylinder Shield)
36 691279 Spring-Valve (Exhaust) 309 693551 Motor-Starter
37 697108 Guard-Flywheel 309A ........ Motor-Starter
40 691752 Retainer-Valve (For Replacement Starter
43 691968 Stinger-Governor/Oil Motor, See Reference 309)
45 690564 Tappet-Valve 310 690323 Bolt (Starter Motor)
46 693450 Camshaft 311 497608 Brush Set
48 ......... Short Block (31H777-0202-E2 311A 395538 Brush Set
Replacement Engine-art and 333 495859 Armature-Magneto
Short Block not available at this 334 691061 Screw (Magneto Armature)
time) 337 691043 Plug-Spark
50 690193 Manifold-intake 358 697191 Gasket Set-Engine
51 692137 ,Q$+ Gasket-intake 363 19203 Flywheet Puller
53 690227 Stud (Carburetor) RPM Settings: Low Speed: 1900-2100
54 691148 Screw (intake Manifold) High Speed: 3000-3200
73 697133 Screen-Rotating
74 94986 Screw (Rotating Screen) • Included in Engine Gasket Set, Key. No. 358
75 690582 Washer (Flywheel) Q Included in Carburetor Overhaul Kit, Key. No.
78 691003 Screw (Flywheel Guard) 121
89 690283 Plug-Oil $ Included in Carburetor Gasket Set, Key. No. 977
93 690602 _D Bushing-Throttle Shaft + included in Valve Gasket Set, Key. No. 1095
94 498030 Kit-idle Mixture
95 691636 Screw (Throttle Valve) NOTE: All component dimensions given in U.S. inches
98 495800 Kit-idle Speed 1 inch = 25.4 mm
104 690525 Q Pin-Float Hinge
105 231855 O Valve-Float Needle
106 690577 O Seat-Inlet
56
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