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REPAIR PARTS
13 HP 42" TRACTOR - - MODEL NUMBER 917.257632
BRIGGS & STRATTON ENGINE - MODEL NUMBER 28M707, TYPE NUMBER 0137-01
KEY PART KEY PART
NO. NO. DESCRIPTION Nee NO. DESCRIPTION
1 496413
2 399265
3 391086
5 494240
6 22963
7 271866
8 495735
9
10
11
12
13
15
16
18
20
22
23
24
25
26
27
28
29
32
33
34
35
36
37
40
41
42
45
46
51
27803
94621
280100
271916
271997
271996
94622
94239
495162
94196
494238
291675
94624
492326
222698
394661
394662
394663
394664
391780
392331
391781
391782
391783
260924
299691
391286
490348
490469
94671
262246
262247
65906
26828
224502
221596
292260
93630
262248
212897
272465
Cylinder Assembly 52 272554
Bearing, Cylinder 53 94637
*Seal, Oil 75 224061
Head, Cylinder 78 94626
Washer, Flat 95 94098
* Gasket, Cylinder Head 98 495800
Breather Assembly 104 231789
, (Includes Mounting Gasket) 105 231855
Gasket, Valve Cover 106 231854
Screw, Sems 108 224540
Tube, Breather 118 494383
* Gasket, Crankcase Cover, 1/64" 123 94616
* Gasket, Crankcase Cover, ,005" 125 495706
* Gasket, Crankcase Cover, .009" 127 - - -
Screw, Cylinder Head 130 224539
Plug, Oil Drain 131 494379
Crankshaft 133 494381
Key, Timing Gear 137 281165
Base, Engine 138 281164
*Seal, Oil 141 495931
Screw, Sems, Base Mounting 142 494537
Flywheel 147 231794
Key, Flywheel 164 213819
Piston Assembly, Standard Size 171 281051
Piston Assembly, .010" Oversize 187 393815
Piston Assembly, .020" Oversize 188 94627
Piston Assembly, ,030" Oversize 201 262767
Ring Set, Standard Size 209 260871
Ring Set, Standard Size, Chrome 216 262766
Ring Set, .010" Oversize 219 490815
Ring Set, _020"Oversize 222 495611
Ring Set, .030" Oversize 224 94729
Lock, Piston Pin 225 231058
Pin, Piston, Standard Size 227 493935
Pin, Piston, .005" Oversize 230 94742
Rod, Connecting 232 262785
Rod, Connecting, °020" Undersize 240 394358
Screw, Connecting Rod 265 221535
Valve, Exhaust 284 94073
Valve, Intake 284A 94704
Spring, Valve 304 496280
Spdng, Valve
Guard, Flywhee!
Retainer, Intake Vaive
Rotecoil, Exhaust Valve
Retainer, Rotocoil
Tappet, Valve
Gear, Cam
*** Gasket, Carburetor
* Gasket, Carburetor
Stud, Carburetor Mounting
Washer, Spring
Screw, Sems
** Screw, Throttle
Screw, Idle Adjust
** Pin, Fbat Hinge
** Valve, Inlet Needle
** Seat, Inlet
Valve, Choke
Valve, Needle
Screw, Elbow Mounting
Carburetor
*" Plug, Welch (Sold in Kit Only)
Valve, Throttle
Shaft, Throttle
Float, Carburetor
*** Gasket, Float Bowl
*** Washer, Float Bowl
Shaft, Choke
** Nozzle, Carburetor
** Pilot, Jet
Carburetor', Elbow
Nut, Air Cleaner
Line, Fuel (11" Long, Cut to Suit)
Screw, Sems
Link, Governor
Spring, Governor
Link, Choke
Gear, Governor
Plate, Governor Control
Screw, Hex Head
Crank, Governor
Lever' Assembly, Governor
Washer, Governor Crank
Spring, Governor Link
Filter, Fuef
Clamp, Casing
Screw, Hex Head
Screw, Hex Head
Housing, Blower
* Included in Gasket Set (494241)
** Inctuded in Carburetor Kit (495799)
*** Included in both Carburetor Kit (495799),
and Carburetor Gasket Set (494385)
NOTE: All component dimensions given in U.Soinches
1 inch = 25..4mm
5O