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TRACTOR - - MODEL NUMBER 917.272754
BRIGGS 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/Seal (Magneto Side) 108A 692344 Valve-Choke (Choke A Matic)
3 391086 * Seal-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 Tube-Breather 131 494379 Kit-Throttle Shaft
12 697110 * Gasket-Crankcase 133 494381 Float-Carburetor
13 690360 Screw (Cylinder Head) 137 281165 O$ Gaskef-FIoatBowl
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 * Seal-Oil (PTO Side) 142 697140 Q Nozzle-Carburetor
22 692125 Screw (Crankcase Cover/Sump) 146 691639 Key-Timing
23 693557 Flywheel 186 692317 Connector-Hose
24 222698 Key-Flywheel 187 691050 Line-Fuel (Cut to Required
25 697552 Piston Assembly (Standard) Length)
697555 Piston Assembly (.010" Oversize) 188 691693 Screw (Control Bracket)
697556 Piston Assembly (.020" Oversize) 192 691986 Adjuster-Rocker Arm
697557 Piston Assembly (.030' Oversize) 202 691841 Link-Mechanical Governor
26 697553 Ring Set (Standard) 209 692208 Spring-Governor
697558 Ring Set (.010" Oversize) 216 691840 Link-Choke
697559 Ring Set (.020" Oversize) 222 694042 Bracket-Control
697560 Ring Set (.030" Oversize) 227 691374 Lever-Governor Control
27 697100 Lock-Piston Pin 231 691636 Screw (Choke Valve)
28 697099 Pin-Piston 232 691842 Spring-Governor
29 697126 Rod-Connecting (Standard) 238 691843 Cap-Valve
697263 Rod-Connecting (.020"Undersize) 240 298090 Filter-Fuel
32 692852 Screw (Connecting Rod) 265 691024 Clamp-Casing
33 495856 Valve-Exhaust 267 695134 Screw (Casing Clamp)
34 495857 Valve-Intake 276 692255 O$ Washer-Sealing
35 691279 Spring-Valve (Intake) 304 697663 Housing-Blower
36 691279 Spring-Valve (Exhaust) 305 697102 Screw (Blower Housing)
37 697108 Guard-Flywheel 305A 697103 Screw (Blower Housing)
40 691752 Retainer-Valve 306 697107 Shield-Cylinder
43 691968 Slinger-Governor/Oil 307 691003 Screw (Cylinder Shield)
45 690564 Tappet-Valve 309 693551 Motor-Starter
46 693450 Camshaft 309A ........ Motor-Starter
48 Short Block (31H777-0202-E2 Re- (For Replacement Starter
placement Engine-art and Short Motor, See Reference 309)
Block not available at this time) 310 690323 Bolt (Starter Motor)
50 690193 Manifold4ntake 311 497608 Brush Set
51 692137°O_:+ Gasket-Intake 311A 395538 Brush Set
53 690227 Stud (Carburetor) 333 495859 Armature-Magneto
54 691148 Screw (Intake Manifold) 334 691061 Screw (Magneto Armature)
73 697133 Screen-Rotating 337 691043 Plug-Spark
74 94986 Screw (Rotating Screen) 358 697191 Gasket Set-Engine
75 690582 Washer (Flywheel) 363 19203 Flywheel Puller
78 691003 Screw (Flywheel Guard)
89 690283 Plug-Oil RPM Settings: Low Speed: 1900-2100
93 690602 O Bushing-Throttle Shaft High Speed: 3000-3200
94 498030 Kit-Idle Mixture
95 691636 Screw (Throttle Valve) -- Included in Engine Gasket Set, Key. No. 358
98 495800 Kit-Idle Speed O Included in Carburetor Overhaul Kit, Key. No.
104 690525 O Pin-Float Hinge 121
105 231855 O Valve-Float Needle :l: Included in Carburetor Gasket Set, Key. No. 977
106 690577 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
52
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