Sears 917.257462 - Manual (Page 49)

REPAIR PARTS
12 HP 36" LAWN RIDER - - MODEL NUMBER 917.257462
BRIGGS & STRATTON ENGINE - MODEL NUMBER 283707, TYPE NUMBER 0217-01
KEY PART KEY PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION
1 490450 Cylinder Assembly 53 94637 Stud, Carburetor Mounting
2 399265 Bearing, Cylinder (Requires Special 75 224061 Washer, Spring
Tools F^or Installation) 78 93805 Screw, Sems
3 391086 *Seal, Oil 95 94098 ** Screw, Throttle
5 494240 Head, Cylinder 98 494382 Screw, Idle Speed
7 271866 * Gasket, Cylinder Head 104 231789 **Pin, Float Hinge
8 391406 Breather Assembly 105 231790 ** Valve Assembly, Inlet Needle
9 27803 * Gasket, Valve Cover 106 281169 Inlet, Valve Seat
10 93394 Screw, Sems 108 224540 Valve, Choke
11 280100 Tube, Breather 118 494383 ** Valve, Needle
12 271916 * Gasket, Crankcase Cover 1/64“ 121 494384 Carburetor Overhaul Kit
271997 * Gasket, Crankcase Cover .005" 123 94616 Screw, Elbow Mounting
271996 * Gasket, Crankcase Cover .009" 125 494502 Carburetor Assembly
13 93723 Screw, Cylinder Head 127
... ** Plug, Welch (Sold in Kit Only)
15 94239 Plug, Oil Drain 130 224539 Valve, Throttle
16 490466 Crankshaft 131 494379 Shaft and Lever, Throttle
94196 Key, Timing Gear 133 494381 Float, Carburetor
18 494238 Base, Engine 137 281165 *** Gasket, Float Bowl
20 291675 *Seal, Oil 138 281164 *** Washer, Float Bowl Screw
22 94305 Screw, Sems, Base Mounting 141 494380 ** Shaft and Lever, Choke
23 492326 Flywheel and Ring Gear Assembly, 142 494537 ** Nozzle / Jet, Carburetor
Magneto 494499 High Altitude Kit:
24 222698 Key, Flywheel 231796 Pilot, Jet, High Altitude
25 394661 Piston Assembly, Standard 281164 Seal, Bowl Screw
394662 Piston Assembly .010” Oversize 147 231794 ** Pilot, Jet
394663 Piston Assembly .020" Oversize 164 213819 Carburetor, Elbow
394664 Piston Assembly .030" Oversize 171 281051 Nut, Air Cleaner Mounting
26 391780 Ring Set, Piston, Standard Size 187 393815 Line, Fuel
392331 Ring Set, Piston, Chrome, Standard 188 93535 Screw, Sems
391781 Ring Set, Piston .010" Oversize 201 262767 Link, Governor
391782 Ring Set, Piston .020" Oversize 209 260871 Spring, Governor
391783 Ring Set, Piston .030” Oversize 216 262766 Link, Choke
27 260924 Lock, Piston Pin 219 490815 Oil Slinger, Governor Gear and
28 299691 Pin Assembly, Piston, Standard Bracket Assembly ,
391286 Pin Assy., Piston .005" Oversize 222 494887 Plate, Governor Control
29 490348 Rod Assembly, Connecting rchoke-A-Matic)
490469 Rod Assembly, Connecting, 224 94513 Screw, Sems, Air Cleaner
.020" Undersize Crankpin Bore 225 231058 Crank, Governor
31 222299 Lock, Connecting Rod Screw 227 493935 Lever Assembly, Governor
32 92909 Screw, Connecting Rod 230 222450 Washer, Governor Crank
33 262246 Valve, Exhaust 232 262785 Spring, Governor Link
34 262247 Valve, Intake 240 394358 Filter, Fuel
35 65906 Spring, Intake Valve
36 26828 Spring, Exhaust Valve
37 223752 Guard, Flywheel it Included in Gasket Set (494241)
40 221596 Retainer, Intake Valve
**
Included in Carburetor Overhaul Kit (494384)
41 292260 Rotocoil, Exhaust Valve irk* Included in both Carburetor Overhaul Kit (49438
42 93630 Retainer, Exhaust Valve Rotocoil and Carburetor Gasket Set (494385)
45 262248 Tappet, Valve
46 212897 Gear, Cam
51 272465 *** Gasket, Carburetor (Carburetor to NOTE: All component dimensions given in U.S. inche
Elbow) 1 inch = 25.4 mm
52 270872 * Gasket, Carburetor (Elbow to
Cylinder)