Sears 917.25597 - Manual (Page 41)

ENGINE
REPAIR PARTS
18 HP 44“ TRACTOR - MODEL NUMBER 917.255970
KEY PART
NO. NO.
1 138161
2 139217
3 13240300
4 13280328
5 13200300
6 138129
7 139211
8 121361X
9 138559
10 105432X
11 137140
12 136907
13 138486
14 138487
15 127334X
16 109227X
17 106082X
18 123549X
19 13290300
20 133439
21 17720410
22 132779
23 19132616
DESCRIPTION
Engine B7S 18 IC Gold Vert
Muffler Asm Briggs (Inc. Key No. 29
&34)
Elbow Street 3/8 NPT
Nipple Pipe 3/8NPT X 3 -1/2
Elbow STD 90 Degree 3/8 -18 NPT
Ciamp Tube Double Engine
Baffle Engine B&S VGT
Pulley V-ldler
Stop Keeper Asm VGT
Bushing
Clutch Electric
Pulley Engine VGT Elect Clutch
Baffle Air LH Koh VGT
Baffle Air RH Koh VGT
Tank Fuel W/Sym Vented
Pad Spacer
Pad Spacer
Cap Asm Fuel W/Sym Vented
Plug Oil Drain (Order From Engine
Manufacturer)
Control Throttle
Screw Hex Thd Cut 1/4 - 20 X 5/8
Control Choke
Washer 13/32 X 1 - 5/8 X 16 Ga
KEY PART
NO. NO.
DESCRIPTION
24 11050600 Washer Ext Tooth 3/8
25 73610600 Nut Fin Hex 3/8 - 24 UN F
26 3645J Bushing
27 139227 Stem Tank Fuel
28 7834R Fuel Line
29 139364 Muffler Mounting Brkt
30 139365 Port Liner
31 139367 Gasket
32 17490508 Screw Thdrol 5/16-18X1/2
33 73800600 Nut Lock Hex W/Wash 3/8-16
UNC
34 17190408 Screw Hex Whs Thd Cut 1.4 - 20
UNC
35 10040500 Washer Lock 5/16
36 74570512 Screw Hex 5/16-16 UNC X 3/4
37 123487X Clamp Hose
38 11050600 Lockwasher Ext Tooth 3/8
39 17490624 Screw Thdrol 3/8 -16 X 1 -1/2 TT
40 17490652 Screw Thdrol 3 / 8 - 1 6 X 3 - 1 / 4
4 1 126197X Washer 1 - 1 / 2 OD X 15/32 ID X
.250
42 10040700 Washer Lock 7/16
43 71170768 Bolt Hex 7/16 - 20 X 4 - 1 / 4 G a 5
4 4 2751R Clip Fuel Line
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
41