Craftsman 3One 917.254860 Owner's Manual page 52

REPAIR PARTS
18 HP 42" TRACTOR - - MODEL NUMBER 917.254860
BRIGGS & STRATTON ENGINE - MODEL NUMBER 422707, TYPE NUMBER 1522=01
KEY PART KEY PART
NO. NO, DESCR_PT!ON NO. NO. DESCRIPT!ON
t 494533
2 399265
3 391086
5-t 493457
5-2 493458
7-1 271867
7-2 271868
8-1 398065
8-2 222892
9 27803
10 94382
11 280225
12 271703
271188
271189
13 94565
15 94239
15A 94497
16 394028
94196
!8 493304
20 291675
21 399195
22 94724
23 491180
24 222698
25 394955
394956
394957
394958
26 394959
394960
394961
394962
27 260924
28 299691
391286
29 394306
397158
32 94671
33 390420
34 261528
35 65906
36 26828
40 221596
41 292260
42 93630
Cylinder Assembly 45 261368
Bearing, Cylinder 46 213520
Seat, Oil 50 2!3290
Head, Cylinder Number 1 5! 271412
Head, Cylinder Number 2 51A 280319
* Gasket, Cylinder Head Number 1 52 270884
* Gasket, Cylinder Head Number 2 53 93970
Breather Assembly Number 1 54 93208
Cover, Breather, Cylinder Number 2 75 222511
(Use with Key Number 572, Air 78 94326
Bafftewith Mounting Holes) 81 223016
* Gasket, ValveCover 90 495181
Screw, Sems 91 495035
Tube, Breather 93 231209
* Gasket, Crankcase Cover 1/64" 94 491538
*Gasket, Crankcase Cover .005" 95 93499 •
* Gasket, Crankcase Cover .009"
Screw, Cylinder Head 96 221939
Plug, Oil Drain 97 392672
Plug, Pipe 98 91920
Crankshaft 99 26157
Key, Timing Gear 102 271607
Base Assembly, Crankcase !03 298514
Seal, Oil 104 230896
Seal Assembly, Cylinder Plug 105 394683
Screw, Sems, Crankcase Cover t07 491543
Mounting I08 223534
Flywheel and Ring Gear Assembly, 109 392673
Magneto 1I6 280474
Key, Flywheel !!7 231338
Piston Assembly, Standard 1t9 94152
Piston Assembly .010" Oversize 120 92290
Piston Assembly .020" Oversize 12t 491539
Pision Assembly .030" Oversize 127 223472
Ring Set, Piston, Standard 161 398826
Ring Set, Piston .010" Oversize 165 94289
Ring Set, Piston .020" Oversize 187 299146
Ring Set, Piston 4030" Oversize 188 93535
Lock, Piston Pin 20t 262683
Pin Assembly, Piston, Standard 202 262684
Pin Assy., Piston .005" Oversize 203 280997
Rod Assembly, Connecting 203A 490207
Rod,,Assembly, Connecting," 205 93971
.020 Undersize Crankpin Bore 206 94298
Screw, Connecting Rod 207 262337
Valve, Exhaust 209 262352
Valve, Intake 209A 261563
Uses: 393606 Seal Assembly and
Retainer (Key Number 868)
Spring, Intake Valve
Spring, Exhaust Valve
Retainer, Intake Valve
Rotocoil, Exhaust Valve
Retainer, Exhaust Valve Rotocoif(2)
_r'e
Tappet, Valve
Gear, Cam
Manifold, intake
Gasket, Carburetor & Intake Elbow
Spacer, Carburetor
Gasket, Intake Manifold Mounting
Screw, Sems, Carburetor Mounting
Screw, Sems, tntake Manifold Mnt.
Washer, Spring
Screw, Sems
Lock, Muffler Screw
Carburetor Assembly
Body Assembly, Upper Carburetor
Bushing, Throttle Shaft
Valve Assembly, Carburetor Idle
Screw, Seres, Throttle and Choke
Valve Mounting
Valve, Tllrottle
Shaft and Lever, Throttle
Screw, Machine, Fillister Head
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
Washer, Lock
Carburetor Overhaul Kit
Plug, Welch
Body, Air Cleaner
Nut, Wing
Line, Fuel, 28" (Cut to Suit)
Screw, Hax Head
Link, Governor
Link, Throttle
Crank, Bell
Crank, Belt
Screw, Shoulder
Nut, Square
Spring, Compression
Spring, Governor
Spring, Governor Idle
* Included in Gasket Set (49t856)
** Included in Carburetor Overhaul Kit (491539)
*** Included in both Gasket Set (49!856), and
Carburetor Overhaul Kit (49t 539)
NOTE: All component dimensions given in U.S. inches
! inch = 25.4 mm
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