Craftsman 917.258492 Owner's Manual page 45

REPAnR PARTS
18 HP 42" TRACTOR - = MODEL NUMBER 917.258492
BRIGGS & STRATTON ENGINE - - MODEL NUMBER 422707, TYPE NUMBER 1516-01
KEY PART KEY PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION
1 494533
2 399265
3 391086
5-1 493457
5-2 493458
7-1 271867
7-2 271868
8-1 393370
8-2 222892
9 27803
10 94382
11 280225
12 271142
271188
271189
13 94565
15 91084
15A 94497
'16 394028
94196
18 493304
20 291675
21 399195
22 90887
23 491180
24 222698
25 394955
394956
394957
394958
26 394959
394960
394961
394962
27 260924
28 299691
391286
29 394306
397158
31 220863
32 92909
33 390419
34 261528
35 65906
36 26828
40 221596
4'1 292260
42 93630
45 261368
Cylinder Assembly 46 212337
Bearing, Cylinder 50 213290
Seal, Oil 51 271412
Head, Cylinder #1 51A 280319
Head, Cylinder #2 52 270884
Gasket, Cylinder Head #1 53 93970
Gasket, Cylinder Head #2
Breather Assembly #1 54 93208
Cover, Breather Cylinder #2 75 222511
(Used only on Key Number 572 Air 78 94326
Baffle with Holes for Mounting) 81 223016
* Gasket, Valve Cover 90 491429
Screw, Seres
Tube, Breather 91 491541
*Gasket, Crankcase Cover 1/64" 93 231209
* Gasket, Crankcase Cover ,,005" 94 491538
*Gasket, Crankcase Cover .009" 95 93499
Screw, Cylinder Head
Plug, Oil Drain 96 221939
Plug, Pipe 97 392672
Crankshaft 98 91920
Key, Timing Gear Retaining Device 99 26157
Base Assembly, Crankcase 102 271607
Seal, Oil 103 298514
Seal Assembly, Cylinder Plug 104 230896
Screw, Seres, Crankcase Cover 105 394683
Mounting (Uses#92268 Lock 107 491543
Washer) 108 223534
Flywheel and Ring Gear Assembly, 109 392673
Magneto 116 280474
Key, Flywheel 117 231338
Piston Assembly, Standard 119 94152
Piston Assembly .010" Oversize 120 92290
Piston Assembly .020" Oversize 121 491539
Piston Assembly .030"Oversize 127 223472
Ring Set, Piston, Standard 161 398826
Ring Set, Piston .010" Oversize 165 94289
RingSet, Piston .020"Oversize 187 299146
Ring Set, Piston _030" Oversize 188 93535
Lock, Piston Pin 201 262683
Pin Assembly, Piston, Standard 202 262684
Pin Assembly, Piston .005" Over 203 280997
Rod Assembly, Connecting 203A 490207
Connecting Rod, 205 93971
.020" Undersize Crankpin Bore 206 94298
Washer 207 262337
Screw, Connecting Rod 209 262352
Valve, Exhaust 209A 261563
Valve, Intake
Spring, Intake Valve
Spring, Exhaust Valve
Retainer, Intake Valve
Rotocoil, Exhaust Valve
Retainer, Exhaust Valve
Rotocoil (2)
Tappet, Valve
Gear, Cam
Manifold Assembly, Intake
*** Gasket, Carburetor & Intake Elbow
Spacer, Carburetor
* Gasket, Intake Manifold Mounting
Screw, Hex Head (Carburetor to
Manifold)
Screw, Sems, Intake Manifold Mtg
Washer, Spring
Screw, Seres
Lock, Muffler Screw
Carburetor Assembly (Remote
Choke)
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
Spring, Throttle Adjustment
** Gasket, Carburetor Body
Float, Carburetor
** Pin, Float Hinge
** Valve, Fuei Inlet
Body, Lower Carburetor
Valve, Choke
Shaft and Lever, Choke
O-Ring
Jet, Needle Valve, Fixed
Screw, Seres, Hex Head
Washer, Lock
Carburetor Overhaul Kit
Plug, Welch
Body, Air Cleaner
Nut, Wing .
Line, Fuel, 28 (Cut to Suit)
Screw, Seres
Link, Governor
Link, Throttle
Crank, Bell
Crank, Bell
Screw, Hex Head
Nut, Square
Spring, Compression
Spring, Governor
Spring, Governor Idle
* Includedin Gasket Set (491856)
** Included in Carburetor Overhau/Kit (491539)
*** Included in both Gasket Set (491856) and
Carburetor Overhaul Kit (491539)
NOTE: All component dimensions given in U.S, inches
1 inch = 25.4 mm
45