Owner`s manual

REPAIR PARTS
TRACTOR - - MODEL NUMBER 917.251490
KOHLER ENGINE - MODEL NUMBER MV18S, TYPE NUMBER 58560
CRANKCASE
CARBURETOR
KEY PART DESCRIPTION KEY PART DESCRIPTION
NO. NO. NO. NO.
1 X-82-2
2 52 468 12
3 82 755 16
4 5201605
5 52 031 01
6 52 316 06
7 52 755 50
8 52 072 12
9 25 086 12
10 X-269-43
11 52 078 05
12 52 030 10
52 030 11
52 030 12
13 25 086 10
14 2508613
15 52 141 02
16 5213908
17 25 086 11
18 5203210
19 82 755 17
Nut, Hex 5/16-18 (12) 1 52 041 09
Washer, Flat 5/16 (12) 2 52 755 91
Kit, #1 Cylinder Barrel
(Includes Key Numbers 4 thru 6) 3 52 164 15
Valve, Exhaust 4 X-21-1
Insert, Valve Seat (2) 5 X-6-29
Guide, Valve (2) 6 X-75-23
Kit, Oil Relief
Step Stud 5/16-18 x 3/4, 7 235778
3/8-16 x 5/8, 2" Long (12) 8 X-67-97
Screw, Hex Flange 5/16-18 x 2 (2)
Ring, Retaining 9 41 072 19
Shaft, Governor 10 52 063 40
Bearing, Sleeve, Standard (2) tl 25 155 02
Bearing, Sleeve .010" (2) 12 52 853 25
Bearing, Sleeve .020" (2)
Screw, Hex Flange 13 271030
5/16-18 x 1-1/2 (3) 14 52 053 54
Screw, Hex Flange
3/8-16 x 3-5/8 (2)
O-Ring 15 25 041 06
Plug 16 X-77-2
Screw, Hex Flange 17 232867
5/16-18 x 3-1/2 (8) 18 X-67-62
Seal, Oil, Front
Kit, #2 Cylinder Barrel
(Includes Key Numbers 4 thru 6)
Crankcase (Service with Short
Block, Part Number 82 522 30)
20 ---
19 25 086 27
20 25 146 O3
21 52 144 24
22 25 368 01
23 25 069 02
24 25 086 26
25 25 089 04
26 25 368 03
27 25 069 02
28 52 090 13
29 25 089 03
30 25 194 01
31 25 146 02
32 25 041 04
33 25 757 09
34 25 104 01
35 25 041 03
36 25 100 05
Gasket, Intake (2)
Kit, Manifold
(Includes Key Numbers 3 thru 8)
Manifold, Intake
Washer, Lock 5/16 (4)
Screw, Hex Cap 5/16-18 x 2 (4)
Plug, Hex, Countersunk
1/8 N.P.T.F.
Clamp, Cable (2)
Screw, Hex Washer Head
#10-24 x 3/8 (2)
Stud 5/16-18 x 1 (2)
Baffle, Carburetor
Connector, Hose
Kit, Carburetor with Gasket
(Includes Key Numbers 12 thru 14)
Gasket, Carburetor (2)
Carburetor Assembly (Information
Only - Not Available Separately)
(Includes Key Numbers 18 thru 35)
Gasket, Air Cleaner
Nut 5/16 (2)
Strap, Lifting
Screw, Hex Washer Head
1/4-20 x 3/4
Screw, Throttle and Choke Plate (4)
Plate, Choke
Shaft, Throttle with Lever and Seal
Needle, Idle Fuel Adjust
Spring, Idle, Fuel
Screw, Idle Speed Adjust
Spring, Idle Speed
Needle, Main Fuel
Spring, Main Fuel
Lever, Choke
Spring, Choke, Friction
Ball, Choke, Friction
Plate, Throttle
Gasket, Bowl
Kit, Float
Bowl, Fuel
Gasket, Bowl Retainer Screw
Screw, Bowl Retainer
NOT ILLUSTRATED
- - 25 757 11 Kit, Carburetor Repair
- - 25 757 23 Kit, Bowl Baffle
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
54