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TRACTOR - - MODEL NUMBER 917.273397
BRIGGS ENGINE-MODEL NUMBER 31H777,TYPE NUMBER 0112-E1
KEY PART KEY PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION
1 697174 Cylinder Assembly 130 691750 Valve-Throttle
2 399265 Kit-Bushing/Seal (Magneto Side) 131 494379 Kit-Throttle Shaft
3 391086 • Seal-Oil (Magneto Side) 133 494381 Float-Carburetor
4 697188 Sump-Engine 137 281165 Q_ Gasket-Float Bowl
5 698147 Head-Cylinder 141 495097 Kit-Choke Shaft
7 699168 °+ Gasket-Cylinder Head 142 697140 Q Nozzle-Carburetor
9 697109 ° Gasket-Breather 146 691639 Key-Timing
11 697113 Tube-Breather 187 697098 Line-Fuel
12 697110 • Gasket-Crankcase 188 691693 Screw (Control Bracket)
13 690360 Screw (Cylinder Head) 192 691986 Adjuster-Rocker Arm
15 690946 Plug-Oil Drain 202 691841 Link-Mechanical Governor
16 697127 Crankshaft 209 692208 Spring-Governor
20 690947 • Seal-Oil (PTO Side) 216 691840 Link-Choke
22 692125 Screw (Crankcase Cover/Sump) 222 694042 Bracket-Control
23 693556 Flywheel 227 691374 Lever-Governor Control
24 222698 Key-Flywheel 231 691636 Screw (Choke Valve)
25 699052 Piston Assembly (Standard) 232 691842 Spring-Governor Link
699054 Piston Assembly (.020" 238 691843 Cap-Valve
Oversize) 240 394358 Filter-Fuel
26 699051 Ring Set (Standard) 265 691024 Clamp-Casing
697559 Ring Set (.020" Oversize) 267 695134 Screw (Casing Clamp)
27 698469 Lock-Piston Pin 276 692255 Q_ Washer-Sealing
28 697099 Pin-Piston 300 698356 Muffler
29 697126 Rod-Connecting (Standard) 304 698804 Housing-Blower
697263 Rod-Connecting (.020" 305 697102 Screw (Blower Housing)
Undersize) 305A 697103 Screw (Blower Housing)
32 692852 Screw (Connecting Rod) 306 697107 Shield-Cylinder
33 695760 Valve-Exhaust 307 691003 Screw (Cylinder Shield)
34 695761 Valve-Intake 309 693551 Motor-Starter
35 691279 Spring-Valve (Intake) 310 690323 Bolt (Starter Motor)
36 691279 Spring-Valve (Exhaust) 311 497608 Brush Set
37 697108 Guard-Flywheel 333 495859 Armature-Magneto
42 499586 Keeper-Valve 334 691061 Screw (Magneto Armature)
43 691968 Slinger-Governor/Oil 337 491055 Plug-Spark
45 690564 Tappet-Valve 358 697191 Gasket Set-Engine
46 698492 Camshaft 363 19203 Puller-Flywheel
48 697762 Short Block 383 89838 Wrench-Spark Plug
50 690193 Manifold-Intake 404 691691 Washer (Governor Crank)
51 692137 °O$+ Gasketqntake 431 697122 Elbow-Intake
53 690227 Stud (Carburetor) 445 698083 Filter-Air Cleaner Cartridge
54 691148 Screw (Intake Manifold) 462 691261 Washer (Starter Cable)
73 697133 Screen-Rotating 474 696457 Alternator
74 697897 Screw (Rotating Screen) 501 691188 Regulator
78 691003 Screw (Flywheel Guard) 503 691532 Strap-Starter
81 691178 Lock-Muffler Screw 505 691251 Nut (Governor Control Lever)
89 690283 Plug-Qil 510 693699 Drive-Starter
93 690602 Q Bushing-Throttle Shaft 513 692024 Clutch-Drive
94 498030 Kit-Idle Mixture 523 697086 Dipstick
95 691636 Screw (Throttle Valve)
98 495800 Kit-Idle Speed Engine Gasket Set, Key. No. 358
104 690525 Q Pin-Float Hinge O Carburetor Overhaul Kit, Key. No. 121
105 231855 Q Valve-Float Needle _ Carburetor Gasket Set, Key. No. 977
106 690577 Q Seat-Inlet + Valve Gasket Set, Key. No. 1095
108 690464 Valve-Choke
117 694352 Q Jet-Main (Standard) NOTE: All component dimensions given in U.S. inches
118 697228 Jet-Main (High Altitude) 1 inch = 25.4 mm
121 697241 Kit-Carburetor Overhaul
125 698445 Carburetor
127 695005 Plug-Welch
51
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