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RE:PAnR PARTS
18 PiP 44" TRACTOR - MODEL NUMBER 917.255970
BRIGGS & STRATTON ENGINE - MODEL NUMBER 422707, TYPE NUMBER 1243-01
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 398065
8-2 222892
9 27803
!0 94382
11 280225
12 271703
271188
271189
13 94565
15 94239
15A 94497
16 394028
94196
18 493304
20 291675
21 399195
22 90887
23
24
25
26
27
28
29
3t
32
33
34
35
36
40
41
491180
222698
394955
394956
394957
394958
394959
394960
394961
394962
260924
299691
391286
3943O6
397158
220863
92909
390420
261528
65906
26828
221596
292260
Cylinder Assembly 42 93630
Bearing, Cylinder 45 261368
Seal, Oil 46 213421
Head, Cylinder' Number I 50 213290
Head, Cylinder Number 2 51 2714!2
* Gasket, Cylinder Head Number 1 51A 280319
* Gasket, Cylinder Head Number 2 52 270884
Breather Assembly Number I 53 93970
Cover, Breather, Cylinder Number2 54 93208
(Use with Key Number 572, Air 75 222511
Baffle with Mounting Holes) 78 94326
*Gasket, Valve Cover' 8t 223016
Screw, Seres 90 495181
Tube, Breather 91 495035
*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 99 26157
Base Assembly, Crankcase 102 271607
Seal, Oil t03 298514
Seal Assembly, Cylinder' Plug 104 230896
Screw, Sems, Crankcase Cover 105 394683
Mounting 107 491543
Uses: 92268 Washer, Lock 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
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 ..030" Oversize 188 93535
Lock, Piston Pin 201 262683
Pin Assembly, Piston, Standard 202 262684
Pin Assyo, Piston ..005" Oversize 203 280997
Rod Assembly, Connecting 203A 490207
Rod Assembly, Connecting 205 93971
.020" Undersize Crankpin Bore 206 94298
Washer 207 262337
Screw, Connecting Rod 209 262352
Valve, Exhaust 209A 261563
Valve, Intake
Uses: 393606 Seal Assembly and
Retainer (Key Number 868)
Spring, Intake Valve
Spring, Exhaust Valve
Retainer, Intake Valve
Rotocoil, Exhaust Valve
Retainer, Exhaust Valve Rotocoil(2)
Tappet, Valve
Gear', Cam
Manifold, Intake
*** Gasket, Carburetor & Intake Elbow
Spacer, Carburetor'
* Gasket, Intake Manifold Mounting
Screw, Sems, Carburetor Mounting
Screw, Sems, intake Manifold Mnt.
Washer', Spring
Screw, Seres
Lock, Muffler Screw
Carburetor Assembly
Body Assembly, Upper Carburetor
Bushing, Throttle Shaft
** Valve Assembly, Carburetor Idle
Screw, Seres, 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, 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, Hex Head
Link, Governor
Link, Throttle
Crank, Bell
Crank, Bell
Screw, Shoulder
Nut, Square
Spring, Compression
Spring, Governor
Spring, Governor Idle
* Included in Gasket Set (491856)
** included in Carburetor Overhaul Kit (491539)
*** Included in both Gasket Set (491856), and
Carburetor Overhaul Kit (49I 539)
NOTE: All component dimensions given in U.S_ inches
1 inch = 2&4 turn
52