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TRACTOR - MODEL NUMBER917.271550
BRIGGS & STRATI'ON ENGINE-MODEL NUMBER28U707, TYPE NUMBER 1112-E1
KEY PART KEY PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION
1 496412 C_linder Assembly 108 690464 Valve-Choke (Manual Choke)
2 399265 Kit-Bushing/Seal 108A 692344 Valve-Choke (Choke A Matic)
3 391086 • Seat-Oil (Magneto Side) 108B 695419 Valve-Choke
4 494236 Sump-Engine 117 692408 CI Jet-Main (Standard)
5 691165 Head-Cylinder 692411 Jet-Main (High Altitude)
7 273280 ,+ Gasket-Cylinder Head 117A 695415 121Jet-Main (Standard)
8 495735 Breather Assembly 695416 _l Jet-Main (High Altitude)
9 27803 ° Gasket-Breather 121 690191 Kit-Carburetor Overhaul
19 691666 Screw (Breather Assembly) 121A 695427 Kit-Carburetor Overhaul
11 691328 Tube-Breather 125 690194 Carburetor
12 692226 • Gasket-Crankcase (.015 125A Carburetor (Nikki)
Thick, Std.) (Service with Walbro
692406 • Gasket-Crankcase (.005 Carburetor only)
Thick) 127 695005 _1 Plug-Welch
692405 • Gasket-Crankcase (.009 127A 690727 _1 Plug-Welch
Thick) 130 691750 Valve-Throttle
13 690360 Screw (Cylinder Head) 130A 695418 Valve-Throttle
15 690946 Plug-Oil Drain 131 494379 Throttle Shaft Kit
16 690136 Crankshaft 131A 695421 Throttle Shaft Kit
20 291675 • Seal-Oil (PTO Side) 133 494381 Float-Carburetor
22 692125 Screw (Engine Sump) 133A 694914 Float-Carburetor
23 693557 Flywheel (Steel Ring Gear) 137 281165 Q:I: Gasket-Float Bowl
24 222693 Key-Flywheel 137A 695426 _: Gasket-Float Bowl
25 499284 Piston Assembly (Standard) 141 495097 Choke Shaft Kit (Manual
499286 Piston Assembly (.010 O.S.) Choke)
499292 Piston Assembly (.020 O.S.) 141A 495931 Choke Shaft Kit (Choke A
499296 Piston Assembly (.030 O.S.) Matic)
26 495854 Ring Set-Piston (Standard) 141B 695420 Choke Shaft Kit
495852 Ring Set-Piston (.010 O.S.) 142 692412 _1 Nozzle-Carburetor
495851 Ring Set-Piston (.020 O.S.) 146 691639 Key-Timing
495855 Ring Set-Piston (.030 O.S.) 167 692297 Nut (Air Cleaner)
27 691299 Lock-Piston Pin 176 691917 • O-Ring Seal (Air Cleaner
28 498319 Pin-Piston (Standard) Base)
498320 Pin-Piston (.005 O.S.) 186 692317 Connector-Hose
29 692419 Rod-Connecting (Standard) 187 691050 Line-Fuel (Cut to Required
692420 Rod-Connecting (.020 U.S.) Length)
32 692852 Screw (Connecting Rod) 188 691693 Screw (Control Bracket)
33 495856 Valve-Exhaust 192 691986 Adjuster-Rocker Arm
34 495857 Valve-Intake 202 262767 Link-Mechanical Governor
35 691279 Spring-Valve (Intake) 209 692208 Spring-Governor
36 691279 Spring-Valve (Exhaust) 216 691840 Link-Choke
37 690456 Guard-Flywheel 217 695409 Spring-Choke Return
40 691752 Retainer-Valve 222 694042 Bracket-Control
43 691968 Slinger-Governor/Oil 227 691374 Control Lever-Governor
45 690564 Tappet-Valve 231 691636 _ Screw (Choke Valve)
46 692421 Camshaft 231A 690718 _ Screw (Choke Valve)
48 496050 Short Block 232 691842 Spring-Governor Link
(Replacement Engine 238 691843 Cap-Valve
311707-0028-E1) 240 394358 Filter-Fuel
50 690193 Manifold-Intake 265 691024 Clamp-Casing
51 692137°_:1:+ Gasket-Intake 267 695134 Screw (Casing Clamp)
53 690227 Stud (Carburetor) 276 692255 _1:1:Sealing Washer
54 691148 Screw (Intake Manifold) 276A 695410 _:I: Sealing Washer
73 690492 Scraen-Rotating 287 691002 Screw (Dipstick Tube)
74 691655 Screw (Rotating Screen) 304 690844 Housing-Blower
75 690582 Washer (Flywheel) 305 690960 Screw (Blower Housing)
78 690661 Screw (Flywheel Guard)
93 690602 Bushing-Throttle Shaft RPM Settings: Low Speed: 1900-2100
94 498030 Idle Mixture Kit High Speed: 3000-3200
94A 695425 Idle Mixture Kit
95 691636 _1 Screw (Throttle Valve) Included in Engine Gasket Set, Key. No. 358
95A 690716 _ Screw (Throttle Valve) _ Included in Carburetor Overhaul Kit, Key. No.
98 495800 Idle Speed Kit 121 and 121A
98A 695406 Idle Speed Kit $ Included in Carburetor Gasket Set, Key. No.
104 690525 O Pin-Float Hinge 977 and 977A
104A 694918 _, Pin-Floal Hinge + Included in Valve Gasket Set, Key. No. 1095
105 231855 _ Valve-Float Needle
105A 694922 Q Valve-Float Needle NOTE: All component dimensions given in U.S.
106 690577 Q Seat-Inlet inches 1 inch = 25.4 mm
54
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