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TRACTOR- MODELNUMBER917.270530
BRIGGS&STRATTONENGINE-MODELNUMBER287707,"tYPENUMBER1255-E1
KEY PART KEY PART
NO. NO, DESCRIPTION NO. NO, DESCRIPTION
1 496412 Cylinder Assemb{y 53 94637 Stud, Carburetor Motlnsn 9
2 399265 Bearing, Cyilbder 73 224948 Screen, Flbsh Rotating
3 391086 • Seal, Oil 75 225136 Washer, Spring
4 494238 Base, Engine 78 94626 Screw, Sem_
Bushin , Throttle Shaft5 495559 Head, Cyknder 93 281346
7 272614 *** Gasket, C_llbder Head 94 498630 ValVe, ]_eedie
8 495735 8feather Assembly 95 94096 ** Screw, Throttle
9 27803 * Gasket, Valve Cover 95 495800 Screw, fdle Speed
10 94621 Screw, Sums 104 231789 ** Pin, Float Hinge
t I 291246 Tube, Breather 105 231855 °* Valve Final
12 271916 " Gasket, Crankcase Cover, 106 23t854 _" Seal InlbI Valve
1/64" 108 224540 Valve_ Choke
271997 * Gasket, Crankcase Cover, 111 262719 Sprinlq, Choke
.005 _ 117 232 t 16 Jet, _lain (Std,)
271996 * Gasket, Crankcase Cover, 232119 Jet, Main Hi-AIt.)
.009" 121 499233 Carburetor Overbau Kt
13 94729 Screw, Cylinder Head 123 94913 Screw, Elbow Mountlb 9
15 94239 plug, Oi_Drain 125 499163 Carburetor Assembly
•" Plb Welch (Sold in Kit16 495162 Crankshaft 127 - -- _.
94196 Tk'ning Gear Key
On
$>
20 291675 * Seal, Oil 130 224539 Valve, Throttlb
22 94624 Screw, Seres, Base 131 494379 Shaft and Lever, Throttle
Mounting 133 494381 Float, Carburetor
23 492326 Flywheel and Ring Gear 137 281165"*** Gasket, Float Bowl
Assembly, Magneto 139 281164""* Washer, Bowl
24 222698 Key, Flywheel 141 495931 Shaft at_dLever, Choke
25 495860 Piston Assembly, Standard 142 232117 Nozzle, Carburetor
Size 164 214047 Elbow, Carburetor
495977 Piston Assembly, .OtO" 166 94555 Stud, Rocker Arm
Oversize t 71 281051 Nut, Air Cleaner Mounting
495978 Piston Assembly, .020" 186A 493496 Elbow, Fuel Pipe
Oversize 187 492790 Line, Fuel (11" Long, Cut
495979 Piston Assembly, .030" to Suil)
Oversize 186 94627 Screw, Hex Head, 3/4
26 495854 Ping Set, Piston, Slandard 192 492160 Screw Assembly, Rocker
Size Arm
495852 Ring Set, Piston, .010" 201 262767 Link, Governor
Oversize 209 260695 Spring, Governor
495851 Ring Set, P_stc_, .020" 216 262766 Link, Choke
Oversize 219 490815 Gear, Governor
495655 Ring Set, Piston, .O3O" 222 49561 t Plate, Governor Conlrol
Oversize 224 94729 Screw, Sums, Air Cleaner
27 263129 Lock, Piston Pin 225 495157 Crank, Governor
28 498319 Pin Assy,, Piston, Standsrd 227 493935 Lever Assembly, Governor
Size 230 94927 Washer, Governor Cra_lk
29 494504 Rod Assembly, Col_nectlbg 232 262795 Sprlb9,, Governor Link
495490 Rod Assembly, Connect- 238 262836 Cap, Valve
Jn ,
.ngo'02Undersize Crenkpin 240 394358 FiJter, Fuel tlb Fuel Line)
265 .221535 Clamp, Casing
Bore
32 94695 Screw, Hex Washer Head, Inelbded In Gasket Set (495993)
1-57/64 ** Included in Carburetor Kit 499233)
32A 94648 Screw, Hex Washer Heed, *°* Inclbded In Both Gasket Set (495993
1-5/8 and
33 495856 Valve, Exhaust Valve Overhaul Kit (495992)
34 495857 VaJve, Intake **** incioded In Gasket Set (495993),
35 2628 t I Spring, Valve Carburetor Kit
37 224502 Guard, Flywheel 499233) and Carburetor Gasket Set
40 224641 Retainer, VaNe Spdng
494365
45 262411 Tappet, Valve
46 496884 Gear, Cam NOTE: All component dimensions given in U.S.
51 272465 "*** Gasket, Carburetor inches I inch = 25.4 mm
(Ca,_J_tor to Elbow)
52 272569 *'" Gasket, Carburetor
(Elbow to Cylinder)
54
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