Sears 917.257643 - Manual (Page 52)

REPAIR PARTS
15 HP 42" TRACTOR - - MODEL NUMBER 917.257643
BRIGGS & STRATTON ENGINE - MODEL NUMBER 28N707, TYPE NUMBER 0160-01
KEY PART
NO. NO.
DESCRIPTION
1 496412 Cylinder Assembly
2 399265 Bearing, Cylinder
3 391086 * Seal, Oil
5 495858 Head, Cylinder
7 272614 **• Gasket, Cylinder Head
8 495735 Breather Assembly
9 27803 * Gasket, Valve Cover
10 94621 Screw, Sems
11 281246 Tube, Breather
12 271916 * Gasket, Crankcase Cover, .015“
271997 * Gasket, Crankcase Cover, .005"
271996 * Gasket, Crankcase Cover, .009“
13 94728 Screw, Cylinder Head
15 94239 Plug, Oil Drain
16 495162 Crankshaft
94196 Timing Gear Key
18 494238 Base, Engine
20 291675 -* Seal, Oil
22 94624 Screw, Sems, Base Mounting
23 492326 Flywheel and Ring Gear Assembly,
Magneto
24 222698 Key, Flywheel
25 495860 Piston Assembly, Standard Size
495977 Piston Assembly, .010" Oversize
495978 Piston Assembly, .020" Oversize
495979 Piston Assembly, .030" Oversize
26 495854 Ring Set, Piston, Standard Size
495852 Ring Set, Piston, .010" Oversize
495851 Ring Set, Piston, .020" Oversize
495855 Ring Set, Piston, .030" Oversize
27 260924 Lock. Piston Pin
28 299691 Pin Assy., Piston, Standard Size
391286 Pin Assy., Piston, .005“ Oversize
29 494504 Rod Assembly, Connecting
495490 Rod Assembly, Connecting,
.020* Undersize Crankpin Bore
32 94695 Screw, Hex Washer Head, 1-57/64
32A 94648 Screw, Hex Washer Head, 1-5/8
33 495856 Valve, Exhaust
34 495857 Vaive, intake
35 262811 Spring. Valve
37 224502 Guard, Flywheel
40 224641 Retainer, Valve Spring
45 262411 Tappet. Valve
46 494433 Gear, Cam
51 272465 **** Gasket, Carburetor (Carburetor to
Elbow) (Also included in Gasket
Set, Part Number 495993)
KEY PART
NO. NO.
52 272569
53
75
78
95
98
94637
224061
94832
94098
495800
104 231789
105 231855
106 231854
108 224540
117 231858
118 495932
121 495799
123 94616
125 495935
127
--­
130 224539
131 494379
133 494381
137 281165
138 281164
141 495931
142 231859
147 231794
164 214053
166 94555
171 281051
187 393815
188 94627
192 492160
201 262767
209 260695
216 262766
219 490815
222 495611
224 94729
225 231058
DESCRIPTION
*** Gasket, Carburetor
(Elbow to Cylinder) --■»
Stud, Carburetor Mounting "
Washer, Spring
.
Screw, Pan Head
** Screw, Throttle
Screw, Idle Speed
** Pin, Float Hinge
** Vaive Float
** Seat, Inlet Valve
Valve, Choke
** Jet. Needle Valve
Valve, Needle
Carburetor Overhaul Kit
Screw, Eibow Mounting
Carburetor Assembly
** Plug, Welch (Sold in Kit Only)
Valve, Throttle
Shaft and Lever, Throttle
Float, Carburetor
**** Gasket, Float Bow!
**** Washer, Bowl
Shaft and Lever, Choke
** Nozzle, Carburetor
** Pilot, Jet
Elbow, Carburetor
Stud, Rocker Arm
Nut, Air Cleaner Mounting
Line, Fue! (11" Long, Cut to Suit)
Screw, Sems
Screw Assembly, Rocker Arm
Link, Governor
Spring, Governor
Link, Choke
Gear, Governor
Plate, Governor Control
Screw, Sems, Air Cleaner
Crank, Governor
* Included in Gasket Set (495993)
** Included in Carburetor Kit (495799)
*** included in both Gasket Set (495993) and
Valve Overhaul Kit (495992)
***• Included in Gasket Set (495993), Carburetor Kit
(495799) and Carburetor Gasket Set (494385)
NOTE: Ail component dimensions given in U.S. inches
1 inch = 25.4 mm
52