Craftsman 917.273143 Owner's Manual page 51

TRACTOR-- MODEL NUMBER 917.273143
KOHLER ENGINE-MODEL NUMBER CV490,TYPE NUMBER 27508
CYLINDER HEAD/VALVE/BREATHER
KEY PART
NO. NO. DESCRIPTION
3
4
5
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25-351-01 -S
12-755-94-S
12-411-03-S
12-041-10-S
12-017-01-S
12-017-02-S
12-016-01-S
12-016-02-S
25-139-60-S
12-318-36-S
25-186-01-S
12-599-03-S
M-640034-S
12-089-01-S
12-173-01 -S
12-755-03-S
12-468-05-S
12-112-13-S
12-086-15-S
25-237-14-S
12-326-03-S
M-645020-S
12-096-07-S
M-545010-S
12-018-01-S
12-402-02-S
CRANKCASE
KEY PART
NO. NO.
Lifter, valve (2)
Kit, cylinder head (Includes 1
3-17, Gaskets 12 041 01-S 2
(Qty.2), 12 041 02-S, & 12
041 03-S) 3
Rod, push (2) 4
Gasket, cylinder head
Valve, intake (Std.) 5
Valve, intake (.25) 6
Valve, exhaust (Std.) 7
Valve, exhaust (.25) 8
Plug, allen hd. pipe 1/8"
Cylinder Head
Arm, rocker (2)
Pivot, rocker arm (2)
Screw, hex. flange
M6xl.0x34 (2)
Spring, valve (2)
Cap, valve spring (2) 9
Kit, retainer (2) 10
Washer, plain 13/32"
Spacer, head bolt exhaust
_ort
crew, hex. flange
M10x1.5x81 (5) 11
Clamp, hose (2) 12
Hose, breather
Screw, hex. flange
M6x1.0x20 (5) 13
Cover, valve w/nipple
Screw, hex. flange
M5x0.8xl 0
Retainer, breather reed
Reed, breather
DESCRIPTION
14
15
16
17
18
19
20
21
22
23
12-032-03-S
12-445-02-S
M-839025-S
24-380-13-S
12-755-49-S
12-089-31-S
12-422-08-S
12-422-09-S
12-422-10-S
12-422-11-S
12-422-12-S
12-422-13-S
12-422-07-S
12-144-28-S
12-874-07-S
12-874-11-S
12-874-08-S
12-874-09-S
12 018 02-S
12-108-07-S
12-108-08-S
12-108-09-S
12-067-11-S
12-067-06-S
12-380-01-S
12-043-05-S
M-631005-S
12-144-02-S
52-139-09-S
12-755-64-S
X-25-102-S
12-032-01-S
M-631015-S
12-154-05-S
Seal, crankshaft
Block, cylinder
Use Short Block 12 522 51)
rap, lifting
Screw, hex. flange
M8x1.25x25
Dowel, locating (4)
Kit, camshaft (Includes 7,8)
Spring, actuating
Shim, camshaft (A.R.) blue
Shim, camshaft (A.R.) red
Shim, camshaft (A.R.) yel
low
Shim, camshaft (A.R.) green
Shim, camshaft (A.R.) gray
Shim, camshaft (A.R.) black
Shim, camshaft (A.R.) white
Shaft, balance
Piston wiRing Set (Std.)
(Includes 11,12)
Piston wiRing Set (.08)
Piston wiRing Set (.25)
Piston wiRing Set (.50)
Retainer, piston pin (2)
Ring Set (Std.)
Ring Set (.25)
Ring Set (.50)
Connecting Rod (Std.)
Connecting Rod (.25)
Pin, governor regulating
Gear, governor
Washer, plain 6 mm
Shaft, governor gear
Plug, cup
Kit, gov. cross shaft w/clip
(Includes 23)
Washer, plain 1/4"
Seal, governor cross shaft
Washer, plain 6 mm
Clip, hitch pin
NOTE: All component dimensions given in U.S.
inches
1 inch = 25.4 mm
51