Filter
Top Products
REPAIR PARTS
12.5 HP 38" RIDING LAWN TRACTOR - o MODEL NUMBER 917,255590
BRtGGS & STRATTON ENGINE o MODEL NUMBER 28(}707, TYPE NUMBER 0437o01
KEY PART KEY PART
NO. NO. DSSCRIPTION NO. NO. DSSCRIPTtON
1
2
490450
261623
3 391086
5 494240
7 271866
8 391406
9 27803
10 94621
1t 280100
t2 271916
271997
271996
13 94622
14 93415
15 94239
16 490466
94196
18 494238
20 291675
22 94624
23 492326
24
25
26
27
28
29
31
32
33
34
35
36
37
40
41
42
45
46
51
52
53
75
222698
394661
394662
394663
394664
391780
392331
391781
391782
391783
260924
299691
391286
490348
490469
222299
92909
262246
262247
65906
26828
223752
221596
292260
93630
262248
212897
281170
270872
94637
224061
Cyiinder Assembly 78 93805
Bearing, Cylinder (Requires Special 95 94098
Tools For Installation) 98 494382
*Sea!, Oil 104 231789
Head, Cylinder t05 231790
*Gasket, Cylinder Head t06 281 t69
Breather Assembly 108 224540
Gasket, Valve Cover 1t8 494383
Screw, Seres t21 494384
Tube, Breather
* Gasket, Crankcase Cover 1/64" !23 94616
* Gasket, Crankcase Cover .005" 125 494392
* Gasket, Crankcase Cover .009"
Screw, Cylinder Head 3" t30 224539
Screw, Cylinder Head 3/4" 131 494379
Plug, Oil Drain 133 494381
Crankshaft !37 28tt65
Key, Timing Gear 138 281164
Base, Engine I4t 494380
*Sea}, Oil I42 231793
Screw, Seres, Base Mounting 494499
Flywheel and Ring Gear Assembly,
Magneto
Key, Ftywheel t47 23t794
Piston Assembly, Standard 164 2!3811
Piston Assembly .010" Oversize t71 28105!
Piston Assembly ,020" Oversize !87 393815
Piston Assembly .030" Oversize I88 93535
Ring Set, Piston, Standard 201 262767
Ring Set, Piston, Chrome, Standard 209 260871
Ring Set, Piston .0t0" Oversize 216 262766
Ring Set, Piston .020" Oversize 219 4908t5
Ring Set, Piston .030" Oversize
LocK, Piston Pin 222 494887
Pin Assembly, Piston, Standard
Pin Assembly, Piston .005" Over 224 94513
Rod Assembly, Connecting 225 231058
Rod Assembly, Connecting 227 493935
.020" Undersize Crankpin Bore 230 222450
Lock, Connecting Rod Screw 232 262785
Screw, Connecting Rod 240 394358
Valve, Exhaust 265 221535
Valve, Intake 284 944t9
Spring, Intake Valve 284A 94326
Spring, Exhaust Valve 304 224504
Guard, Flywheel 305 946!9
Retainer, Intake Valve
Rotocoil, Exhaust Valve 306 224545
Retainer, Exhaust Valve RotoCoit 307 94623
Tappet-Valve 308 491490
Gear, Cam
Gasket, Carburetor
(Carburetor to Elbow)
Gasket, Carburetor
EIbow to Cy{inder)
tud, Carburetor Mounting
Washer, Spring
Screw, Sems
** Screw, Throttle
Screw, Idle Speed
** Pin, Ftoat Hinge
** Valve Assembly, Inlet Needle
Inlet Valve Seat
Valve, Choke
** Valve, Needle
Carburetor Overhaul Kit {includes
items marked ** and *_*)
Screw, Elbow Mounting
Carburetor Assembly
(Choke-A-Matic)
Valve, Throttle
Shaft and Lever, Throttle
Float, Carburetor
*** Gasket, F!oat Bowl
*** Washer, Float Bowl Screw
** Shaft and Lever, Choke
** Nozzle/Jet, Carburetor
High Altitude Kit:
23t 796 Pilot Jet, High Altitude
281164 Seal, Bowl Screw
** Pilot, Jet
Carburetor, Elbow
Nut, Air Cleaner Mounting
Line, Fue!, 11" (Cut To Suit)
Screw, Sems 3/4"
Link, Governor
Spring, Governor
Link, Choke
Oil Slinger, Governor Gear and
Bracket Assembly
Plate, Governor Control
(Choke-A-Matic)
Screw, Sam, Air Cleaner
Crank, Governor, 1/4" Diameter
Lever Assembly, Governor
Washer, Govemo{ Crank, 1/4" I.D.
Spring, Governor Link
Filter, Fuel
Clamp, Casing
Screw, Clamp Mounting
Screw, Air Cleaner
Housing, Blower, Red
Screw, Seres, Blower Housing
Mounting
Shield, Cylinder
Screw, Sems, Cylinder Shield Mtg.
Cover, Cylinder Head
* Included in Gasket Set (494241)
** Included in Carburetor Overhaul Kit (494384)
*** included in both Carburetor Overhaul Kit (494384)
and Carburetor Gasket Set (494386)
NOTE: All component dimensions given in U.S. inches
t inch = 25.4 mm
49