Installation - Craftsman 3One 917.255440 Owner's Manual

REPAIR PARTS
12.5 HP 42" TRACTOR - - MODEL NUMBER 917.255440
BRIGGS & STRATTON ENGINE = MODEL NUMBER 286707, TYPE NUMBER 0441-01
KEY PART KEY PART
NO, NO. DESCRIPTION NO, NO. DESCRIPTION
1 490450
2 399265
3 391O86
5 494240
• 7 271866
8 391406
9 27803
10 94621
11 280100
12 271916
271997
271996
13 94622
15 94239
t6 495162
94196
18 494238
20 291675
22 94624
23 492326
24 222698
25 394661
3948,62
394663
394664
26 391780
392331
391781
391782
391783
27 260924
28 299691
391286
29 490348
490469
31 222299
32 92909
33 262246
34 262247
35 65906
36 26828
37 224502
40 221596
41 292260
42 93630
Cylinder Assembly 45 262248
Bearing, Cylinder (Requires Special 46 212897
Tools For installation) 51 272465
* Seal, Oil
Head, Cylinder 52 272554
* Gasket, Cylinder Head
Breather Assembly 53 94637
Gasket, Valve Cover 75 224061
Screw, Sems 78 93805
Tube, Breather 95 94098
*Gasket, Crankcase Cover 1/64" 98 495800
* Gasket, Crankcase Cover .005" 104 231789
* Gasket, Crankcase Cover .009" 105 231855
Screw, Cylinder Head 3" 106 231854
Plug, Oil Drain 108 224540
Crankshaft 118 494383
Key, Timing Gear 121 495799
Base, Engine
*Seal, Oil 123 94616
Screw, Sems, Base Mounting 125 495706
Flywheel and Ring Gear Assembly, 127 - - -
Magneto 130 224539
Key, Flywheel 131 494379
Piston Assembly, Standard 133 494381
Piston Assembly .010" Oversize 137 281'165
Piston Assembly .020" Oversize 138 281164
Piston Assembly .030" Oversize 141 494380
Ring Set, Piston, Standard 142 494537
Ring Set, Piston, Chrome, Standard 494499
Ring Set, Piston .010" Oversize
Ring Set, Piston .020" Oversize
Ring Set, Piston .030" Oversize 147 231794
Lock, Piston Pin 164 213819
Pin Assembly, Piston, Standard 171 281051
Pin Assembly, Piston .005" Over 187 393815
Rod Assembly, Connecting 188 93535
Rod Assembly, Connecting 20t 1262767
.020" Undersize Crankpin Bore 209 260871
Lock, Connecting Rod Screw 216 262766
Screw, Connecting Rod 219 490815
Valve, Exhaust
Valve, Intake
Spring, Intake Valve
Spring, Exhaust Valve
Guard, Flywheel
Retainer, Intake Valve
Rotocoil, Exhaust Valve
Retainer, Exhaust Valve Rotocoil
Tappet-Valve
Gear, Cam
*** Gasket, Carburetor
(Carburetor to Elbow)
* Gasket, Carburetor
(Elbowto Cylinder) ..
Stud, Carburetor MoLTnting
Washer, Spring
Screw, Sems
** Screw, Throttle
Screw, Idle Speed
** Pin, Float Hinge
** Valve Assembly, Inlet Needle
Inlet Valve Seat
Valve, Choke
** Valve, Needle
Carburetor Overhaul Kit
(Includes Items Pnarked ** and ***)
Screw, Elbow Mounting
Carburetor Assembly
Plug, We ch (So d in K t On y)
Valve, Throttle
Shaft and Lever, Throttle
Float, Carbureto_
*** Gasket, Float Bowl
.*** Washer, Float Bowl Screw
_, ** Shaft and Lever, Choke
** Nozzle/Jet, Carburetor
High Altitude Kit:
231796 Pilot Jet, High Altitude
281164 Seal, Bowl Screw
** Pilot, Jet
Carburetor, Elbow
Nut, Air Cleaner MOL_nting
Line, Fuel, 11" (Cut To Suit)
Screw, Sems 3/4"
Link, Governor
Spring, Governor
Link, Choke
Oil Slinger, Governor Gear and
Bracket Assembly
* Included in Gasket Set (494241)
** Included in Carburetor Overhaul Kit (495799)
*** Included in both Carburetor Overhaul Kit (495799)
and Carburetor Gasket Set (494385)
NOTE: All component dimensions given in U_S. inches
1 inch = 25.4 mm
51