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TRACTOR - - MODEL NUMBER 917.271750
BRIGGS ENGINE-MODEL NUMBER 31H777, TYPE NUMBER 0228-E1
KEY PART KEY PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION
1 697174 Cylinder Assembly 108 690464 Valve-Choke (Manual Choke)
108A 692344 Valve-Choke [Choke A Matic)
2 399265 Kit-Bushing]Seal(MagnetoSide) 117 694352 _ Jot-Main(Standard)
3 391086 • SeaI-Oil(MagnetoSide) 118 692411 Jet-Main(HighAItitude)
4 697188 SumpEngine 121 697241 Kit*CarburetorOverhaul
5 690188 Head-Cylinder 125 697190 Carburetor
7 692410 .+ Gasket-Cylinder Head
9 697109 • Gasket*Breather 127 695005 Plug-Welch
19 697157 Screw (Breather Assembly) 130 691750 Valve-Throttle
11 697113 Tube-Breather 131 494379 Kit-Throttle Shaft
12 697110 • Gasket-Crankcase 133 494381 Roat-Carburetor
137 281165 O:l:Gasket-Float Bowl
13 690360 Screw (Cylinder Head) 141 495097 Kit.Choke Shaft (Manual Choke)
15 690946 Plug-O_lDrain
16 697127 Crankshaft 141A 495931 Kit-Choke Shaft (Choke A Matic)
20 690947 • SeaI-Oil(PTOSide)a 142 697140 (_ Nozzle-Carburetor
22 692125 Screw (Crankcase Cover/Sump) 146 691639 Key-Timing
23 693557 F_hee_ 186 692317 Connector-Hose
24 222698 Key-Flywheel 187 691050 Line-Fuel (Cut to Required
25 697552 Piston Assembly (Standard) Length)
697555 Piston Assembly (.01_ 188 691693 Screw (Control Bracket)
Oversize) 192 691986 Adjuster-Rocker Arm
697556 PistonAssembly (.020" 202 691841 Link-MechanicalGovemor
Oversize) 209 692208 Spring-Governor
697557 Piston Assembly (.030" 216 691840 Unk-Choke
Oversize) 222 694042 Bracket-Control
26 697553 Ring Set (Standard) 227 691374 Lever-GovemorControl
697558 Ring Set (.010" Oversize) 231 691636 Screw (Choke Valve)
697559 Ring Set (.020" Oversize) 232 691842 Spring-Governor
697560 R_ngSet (.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" 276 692255 _Washer-Sealing
Undersize) 304 697783 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 697167 Shield_ylinder
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 (ForReplacement
40 691752 Retainer-Valve Starter Motor, See Reference
43 691968 Slinger-Governor/Oil 309)
45 690564 Tappet-Valve 310 690323 Bolt (Starter Motor)
46 693450 Camshaft 311 497608 Brush Set
48 697762 Short Bleek (31H777-0202-E2 311A 395538 Brush Set
Replacement Engine transfer 333 495859 Armatars-Magneto
Muffler and Spark Arrestor) 334 691061 Screw(MagnetoArmature)
50 690193 Manifold-Intake 337 691043 Plug-Spark
51 692137,O:1:+ Gasket-Intake 358 697191 Gasket Set-Engine
53 690227 Stud(Carburetor) 363 19203 Ftywheel Puller
54 691148 Screw (Intake Manifold) 383 69838 Wrench-SparkPtug
73 697133 Screen-Rotating RPM Settings: Low Speed: 1900-2100
74 697897 Screw (Rotating Screen) High Speed: 3000-3200
75 690582 Washer(Flywheel)
Included in Engine Gasket Set, Key. No. 358
78 691003 Screw (F}ywheelGuard) _ Included in Carburetor Overhaul Kit, Key. No.
89 690263 Plug-Oil
93 690602 O Bushing-Throttle Shaft 121
94 498030 Kit-Idle Mixture _ Includedin Carburetor Gasket Set, Key. No. 977
95 691636 Screw (Throttle Valve) + Included in Valve Gasket Set, Key. No. 1095
98 495800 Kit-Idle Speed
104 690525 _ Pin-FloatHinge NOTE: All component dimensions given in U.S. inches
105 231855 (a Valve-F|oatNeedle 1 ir_h=25.4rnm
106 690577 O Seat-Inlet
54
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