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TRACTOR -- MODEL NUMBER 917.270653
BRIGGS &STRATTON ENGINE-MODEL NUMBER 28U707, TYPE NUMBER 1174-E1
KEY PART KEY PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION
I 496412 CylinderAssembly 78 94832
2 399265 Beadng, Cylinder 87 491323
3 391086 * Seal, Oil 93 281346
4 494238 Base, Engine 94 498030
5 691165 Head, Cyl'mder 95 94098
7 273280 *** Gasket, Cylinder Head 98 495800
8 495735 Breather Assembly 104 231789
9 27803 * Gasket, Valve Cover 165 231855
t0 94621 Screw,Sems 106 231854
11 281246 Tube, Breather 108 224558
12 271916 * Gasket, Crankcase Cover, 108A224540
.015" 111 262715
271997 * Gasket, Crankcase Cover, 117 232118
.005" 232119
271996 * Gasket, Crankcase Cover, 121 690791
.009" 123 94913
13 94728 Screw, CylinderHead 125 499153
15 94239 Plug, OilDrain 127 - - -
16 498971 Crankshaft 130 224539
94196 TimingGear Key 131 494379
20 291675 * Seal, Oil 133 494381
22 94624 Screw, Sems, Base Mounting 137 281165
23 492326 Flywheel and Ring Gear 138 281164
Assembly, Magneto t41 495097
24 222696 Key, Flywheel
25 495860 PistonAssembly, Standard 141A495931
Size
495977 PistonAssembly, .0t0" t42 232117
Oversize 146 94196
495978 PistonAssembly, .020" 164 690193
Oversize 166 94555
495979 Piston Assembly,.030" 171 281051
Oversize 186 493496
26 495854 Ring Set, Piston, Standard 187 298099
Size 186 94627
495852 Ring Set, Piston, .OlO" t92 492160
Oversize 201 262767
495851 Ring Set, Piston, .020" 209 260695
Oversize 216 262766
495855 Ring Set, Piston, .030" 219 490815
Oversize 222 495611
27 263129 Lock, Piston Pin 224 94905
28 498319 Pin Assy., Piston, Standard 225 495157
Size 227 493935
498320 Pin Assy., Piston, .005" 230 94742
Oversize 232 262785
29 494504 Rod Assembly, Connecting 238 262836
495490 Rod Assembly, Connecting, 240 394358
.020" Undersize Crankpin 265 221535
Bore 284 94704
32 94695 Screw, Hex Washer Head, 1-
57164
32A 94648 Screw, Hex Washer Head, I-
5/8
33 495856 Valve, Exhaust
34 495857 Valve, Intake
35 262811 Spdng, Valve
37 224502 Guard, Flywheel
40 224641 Retainer, Valve Spring
45 262411 Tappet, Valve
46 496884 Gear, Cam
51 273650 **** Gasket, Carburetor
(Carburetorto Elbow)
52 692138 *** Gasket, Carburetor
(=Elbowto Cylinder)
53 94637 Stud, Carburetor Mounting
76 225136 Washer, Spring
Screw, Pan Head
* Seal Governor Shaft
Bushing,Throttle Shaft
Valve, Needle
*" Screw, Throttle
Screw, Idle Speed
** Pin, Float Hinge
"" Valve Fk3at
** Seat, Inlet Valve
Valve, Choke (Manual ChekE
Valve, Choke (Choke-A-Mati(
Spring Choke
*° Jet, Needle Valve (Std.)
Jet, Needle Valve(Hi-Ait.)
CarburetorOverhaulKit
Screw, ElbowMounting
CarburetorAssembly
°* Plug, Welch (Soldin Kit Only)
Valve, Throttle
Shaft and Lever, Throttle
Float, Carburetor
.... Gasket, Float Bowl
****Washer, Bowl
Choke, Shaft Kit (Manual
Choke)
Choke, Shaft Kit (Choke-A-
Matic)
** Nozzle, Carburetor
Key, TimingGear
Manifold, Intake
Stud, RockerArm
Nut, Air Cleaner Mounting
Connector, Hose
Line, Fuel (Cut to Suit)
Screw, Seres
ScrewAssembly,RockerArm
Link, Governor
Spdng, Governor
Link, Choke
Gear, Governor
Plate, GovernorControl
Screw, Seres, Air Cleaner
Crank, Governor
Lever Assembly,Governor
Washer. GovernorCrank
Spdng, Govemor Link
Cap, Valve
Filter,Fuel (In FuelLine)
Clamp, Casing
Screw, Hex Head
_ncLododin Gasket Set (691580)
*° Included in Carburetor Kit (690191)
*** Included in both Gasket Set (691580) and
Valve Overhaul Kit (691581)
.... Included in Gasket Set (691580),
Carburetor Kit (690191) and Carburetor
Gasket Set (690192)
NOTE: Allcomponentdimensionsgivenin U.S.
inches1 inch= 25.4 mm
54
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