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TRACTOR - MODEL NU MBER 917.270430
BRIGGS & STRATTON ENGINE-MODEL NUMBER 28R707, TYPE NUMBER 1140-E1
KEY PART KEY PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION
1
2
3
4
5
7
8
9
10
11
12
13
15
16
20
22
23
24
25
26
27
28
29
32
33
34
35
36
37
4O
41
42
45
46
5O
496413 Cylinder Assembly 51 272465 *'* Gasket, Carburetor
399265 Bearing, Cylinder 52 272554 +* Gasket, Carburetor
391086 ° Seal, Oil 53 94637 Stud, Carburetor Mounting
494238 Base, Engine 73 224948 Screen, Rotating
494240 Head, Cylinder 75 225136 Washer, Spdng
271866 +* Gasket, Cylinder Head 78 94626 Screw, Phillips
495735 Breather Assembly 87 491323 * Seal, Governor
_ncludes Mounting 93 281346 Bushing, Throttle Shaft
asket) 94 498030 Valve, Needle
27803 +* Gasket, Valve Cover 95 94098 ** Screw, Throttle
94621 Screw, Seres 98 495800 Screw, Idle Adjust
280100 Tube, Breather 104 231789 ** Pin, Float Hinge
271916 * Gasket, Crankcase Cover, 105 231855 °* Valve, Inlet Needle
1/64" 106 231854 *° Seat, Inlet
271997 * Gasket, Crankcase Cover, 108 224540 Valve, Choke
.005" 121 499220 Carburetor Kit
271996 * Gasket, Crankcase Cover, 123 94913 Screw, Elbow Mounting
.009" 125 498027 Carburetor
94622 Screw, Cylinder Head 127 - - - ** Plug, Welch (Sold in Kit
94239 Plug, Oil Drain Only)
498971 Crankshaft 130 224539 Valve, Throttle
291675 * Seal, Oil 131 494379 Shaft, Throttle
94624 Screw, Sems, Base 133 494381 Float, Carburetor
Mounting 137 281165 *** Gasket, Float Bowl
492326 Flywheel 138 281164 *** Washer, Float Bowl
222698 Key, Flywheel 141 495097 Shaft, Choke
394661 Piston Assembly, Standard 142 497736 *° Nozzle, Carburetor
Size 497737 Nozzle, Carburetor (High
394662 Piston Assembly, .010" Altitude)
Oversize 146 94196 Key, Timing
394663 Piston Assembly, .020" 171 281051 Nut, Air Cleaner
Oversize 186 493496 Elbow, Fuel Pipe
394664 Piston Assembly, .030" 187 298049 Line, Fuel (Cut to Suit)
Oversize 188 94627 Screw, Sems
391780 Ring Set, Standard Size 201 262767 Link, Governor
392331 Ring Sot, Standard Size, 209 260871 .S.pdng, Govemor
Chrome 216 262766 Link, Choke
391781 Ring Set, .010" Oversize 219 490815 Gear, Governor
391782 Ring Set, .020" Oversize 222 495611 Plate, Governor Control
391783 Ring Set, .030" Oversize 224 94729 Screw, Hex Head
260924 Lock, Piston Pin 227 493935 Lever Assembly, Govemor
299691 Pin, Piston, Standard Size 230 94927 Washer, Govemor Crank
391286 Pin, Piston, .005" Oversize 232 262785 Spring, Governor Link
490348 Rod, Connecting 240 394358 Filter, Fuel
490469 Rod, Connecting, .020" 265 221535 Clamp, Casing
Undersize
94671 Screw, Connecting Rod included in Gasket Set (494241)
262246 Valve, Exhaust
262247 Valve, Intake ** Included in Carburetor Kit (499220)
65906 Intake Exhaust Valve
26828 Spring, Valve *** Included in both Carburetor Kit
224502 Guard, Flywheel (499220), and Carburetor Gasket Set
221596 Retainer, Intake Valve (494385)
292260 Rotocoil, Exhaust Valve
494553 Retainer, Rotocoil + Included in Valve Overhaul Gasket Set
262248 Tappet, Valve
212897 Gear, Cam NOTE: All component dimensions given in U.S.
213819 Carburetor, Elbow inches 1 inch = 25.4 mm
54
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