Craftsman 917.270530 Owner's Manual page 54

TRACTOR - MODEL NUMBER 917.270530
BRIGGS & STRATTON ENGINE-MODEL NUMBER 287707, TYPE NUMBER 1255-E1
KEY PART KEY PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION
1 496412 Cylinder Assembly 53 94637 Stud, Carburetor Mounting
2 399265 Bearing, Cylinder 73 224948 Screen, Flush Rotating
3 391086 * Seal, Oil 75 225136 Washer, Spring
4 494238 Base, Engine 78 94626 Screw, Sems
5 495858 Head, Cylinder 93 281346 Bushing, ThrotUe Shaft
7 272614 *** Gasket, Cylinder Head 94 498030 Valve, Needle
8 495735 Breather Assembly 95 94098 ** Screw, Throttle
9 27803 * Gasket, Valve Cover 98 495800 Screw, Idle Speed
10 94621 Screw, Sems 104 231789 ** Pin, Float Hinge
11 281246 Tube, Breather 105 231855 ** Valve Float
12 271916 * Gasket, Crankcase Cover, 106 231854 ** Seat, Inlet Valve
1/64" 108 224540 Valve, Choke
271997 * Gasket, Crankcase Cover, 111 262719 Spdng, Choke
.005" 117 232118 Jet, Main (Std.)
271996 * Gasket, Crankcase Cover, 232119 Jet, Main (Hi-Air.)
.009" 121 499233 Carburetor Overhaul Kit
13 94728 Screw, Cylinder Head 123 94913 Screw, Elbow Mounting
15 94239 Plug, Oil Drain 125 499153 Carburetor Assembly
16 495162 Crankshaft 127 - -. ** Plug, Welch (Sold in Kit
94196 Timing Gear Key Only)
20 291675 * Seal, Oil 130 224539 Valve, Throttle
22 94624 Screw, Seres, Base 131 494379 Shaft and Lever, Throttle
Mounting 133 494381 Float, Carburetor
23 492326 Flywheel and Ring Gear 137 281165 .... Gasket, Float Bowl
Assembly, Magneto 138 281164 .... Washer, Bowl
24 222698 Key, Flywheel 141 495931 Shaft and Lever, Choke
25 495860 Piston Assembly, Standard 142 232117 Nozzle, Carburetor
Size 164 214047 Elbow, Carburetor
495977 Piston Assembly, .010" 166 94555 Stud, Rocker Arm
Oversize 171 281051 Nut, Air Cleaner Mounting
495978 Piston Assembly, .020" 186A 493496 Elbow, Fuel Pipe
Oversize 187 492790 Line, Fuel (11" Long, Cut
495979 Piston Assembly, .030" to Suit)
Oversize 188 94627 Screw, Hex Head, 3/4
26 495854 Ring Set, Piston, Standard 192 492160 Screw Assembly, Rocker
Size Arm
495852 Ring Set, Piston, .010" 201 262767 Link, Governor
Oversize 209 260695 Spring, Governor
495851 Ring Set, Piston, .020" 216 262766 Link, Choke
Oversize 219 490815 Gear, Governor
495855 Ring Set, Piston, .030" 222 495611 Plate, Governor Control
Oversize 224 94729 Screw, Sems, Air Cleaner
27 263129 Lock, Piston Pin 225 495157 Crank, Governor
28 498319 Pin Assy., Piston, Standard 227 493935 Lever Assembly, Governor
Size 230 94927 Washer, Governor Crank
29 494504 Rod Assembly, Connecting 232 262785 Spdng, Governor Link
495490 .R°d Assembly, Connect- 238 262836 Cap, Valve
240 394358 Filter, Fuel (In Fuel Line)
i._). Undersize Crankpin 265 221535 Clamp, Casing
Bore
32 94695 Screw, Hex Washer Head, NOTE: All component dimensions given in U.S.
1-57/64 inches
32A 94648 Screw, Hex Washer Head, 1 inch = 25.4 mm
1-5/8
33 495856 Valve, Exhaust Included In Gasket Set (495993)
34 495857 Valve, Intake ** Included In Carburetor Kit (499233)
35 262811 Spring, Valve *** Included In Both Gasket Set (495993)
37 224502 Guard, Flywheel and
40 224641 Retainer, Valve Spring Valve Overhaul Kit (495992)
45 262411 Tappet, Valve .... included In Gasket Set (495993),
46 496884 Gear, Cam Carburetor Kit
51 272465 .... Gasket, Carburetor (499233) and Carburetor Gasket Set
(Carburetor to Elbow) (494385)
52 272569 *** Gasket, Carburetor
(Elbow to Cylinder)
54