Craftsman 917.255930 Owner's Manual page 47

REPAIR PARTS
18 HP 44" RIDING LAWN TRACTOR - - MODEL NUMBER 917.255930
ENGINE BRIGGS & STRATTON - MODEL NUMBER 422437, TYPE 1266-01
KEY PART KEY PART
NO. NO, DESCRIPTION NO, NO. DESCRIPTION
1 491685
2 491523
3 391086
4 223055
5-1 493457
5-2 493458
7_1 271867
7-2 271868
8-1 393243
8-2 393153
9 27803
10 94382
11 280819
11A 280198
12 270982
271145
271146
13 94565
15 91084
15A 93448
16 394430
94196
17 393741
18 394535
20 291675
22 93847
23 491180
24 222698
25 394955
394956
394957
394958
26 394959
394960
394961
394962
27 260924
28 299691
391286
29 394306
397158
30 223053
31 220863
32 92909
33 390420
34 261528
35
36
40
65906
26828
221596
Cylinder Assembly 41 292260
Bearing, Cylinder 42 93630
Seal, Oil 45 261368
Trough, Dipper 46 212337
Head, Cylinder #1 50 213288
Head, Cylinder #2 51 271412
52 270884
* Gasket, Cylinder Head #1
*Gasket, Cylinder Head #2 53 93415
Breather Assembly #1 54 94367
Breather Assembly//2
*Gasket, Valve Cover 74 93808
Screw, Seres 75 222511
Tube, Breather 85 94385
Tube, Intake 90 491630
*Gasket, Crankcase Cover 1/64" 91 491541
* Gasket, Crankcase Cover .005" 93 231209
*Gasket, Crankcase Cover ,009" 94 491538
Screw, Cylinder Head 2-21/32" 95 93499
Plug, Oil Drain
Plug, Hex, Socket 96 221939
Crankshaft 97 392672
Key, Timing Gear Retaining Device 98 91920
Bearing, Ball P.ToO. Side
Cover Assemb y, Crankcase (Bail 99 26157
Bearing) 102 271607
Seal, Oil 103 298514
Screw, Seres, Crankcase Cover t04 230896
Mounting 105 394683
F_ywhee_and Ring Gear Assembly, 107 491665
Magneto 108 223534
109 392673
Key, Flywheel 116 280474
Piston Assembly Standard
Piston Assembly ,010" Oversize 117 231338
Piston Assembly .020" Oversize 119 94152
Piston Assembly .030" Oversize
Ring Set, Piston, Standard 121 491539
Ring Set, Piston .010" Oversize 127 223472
Ring Set, Piston 020" Oversize 161 222752
Ring Set, Piston 030" Oversize 171 93715
Lock, Piston Pin 187 299146
Pin Assembly Piston, Standard 188 93535
Pin Assembly, Piston .005" Over 189 90366
Rod Assembly, Connecting 201 262333
Rod Assembly, Connecting,
.020" Undersize CrankpinBore *
Dipper, Connecting Rod
Washer 1/4 x 5/8 x 1/32" **
Screw, Connecting Rod
Valve, Exhaust ***
Valve, Intake (Uses Seal Assembly,
Part No. 393606 / Key No. 868)
Spring, Intake Valve
Spring, Exhaust Valve
Retainer, Intake Valve
Roto-Cap, Exhaust Valve
Retainers, Exhaust Valve Roto-Cap
Tappet, Valve
Gear, Cam
Manifold, intake
*** Gasket, Carburetor Mounting
* Gasket, intake Manifold Mounting
Screw, Sems, Hex Head
Screw, Sems, Intake Manifold
Mounting
Screw, Seres
Washer, Spring
Screw, Hex Head
Carburetor Assembly
Body Assembly, Upper Carburetor
Bushing, Throttle Shaft
** Valve Assembly, Carburetor Idle
Screw, Sems, Throttle and Choke
Valve Mounting
Valve, Throttle
Shaft and Lever, Throttle
Screw, Machine, Fillister Head
#B-32 x 5/8"
Spring, Throttle Adjustment
** Gasket, Carburetor Body
Float, Carburetor
** Pin, Float Hinge
** Valve, Fuel Inlet
Body, Lower Carburetor
Valve, Choke
Shaft and Lever, Choke
O-Ring
Jet, Needle Valve
Screw, Sems, Hex Head
#10-32 x 3/4"
Carburetor Overhaul Kit
** Plug, Welch
Body, Air Cleaner
Nut, Hex
Line, Fuel (Cut to Required Length)
Screw, Sems
Washer, Lock
Link, Governor
Included in Gasket Set (394501)
Included in Carburetor Overhaul Kit (491539)
Included in both Gasket Set (39450I) and
Carburetor Overhaul Kit (491539)
NOTE; All component dimensions given in U.S inches
1 inch = 254 mm
47