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TRACTOR
-- MODEL NUMBER 917.272421
KOHLERENGINE-MODELNUMBER CV492,TYPE NUMBER 27506
CYLINDER HEAD/VALVE/BREATHER
CRANKCASE
KEY PART
KEY PART
NO.
NO.
DESCRIPTION
NO.
NO.
DESCRIPTION
1
25-351-01-S
Lifter. valve 42)
1
12-032-03-S
2
12-755-94-S
Kit, cylindernead
(Includes
2
3-17. Gaskets
12 041 01oS
(Qty. 2),12
041 02-S, & 12
3
12-445-02-S
041 03-S)
4
M-839025-S
3
12-411-O3-S
Rod. push 2)
4
12.041-10-S
Gasket,
cylinder head
5
24o380-13-S
5
12.017-01-S
Valve, intake (Std.)
6
12-755-49-S
12-017-02-S
Valve, intake (.25)
7
12-08g-31-S
6
12-016-01-S
Valve, exhaust (Std.)
8
12-422-0B-S
12-O16-02-S
Valve, exhaust (.25)
12-422-09-S
7
25-139-60-S
P_u_, alien hd. pipe l/it"
12-422-10-S
8
12-318-36-S
Cyhnder Head
12-422-11-S
9
25-186-01-S
Arm, rocker (2)
12-422-12-S
10
12-599-03-S
Pivot, rocker arm (2)
12-422-13-S
11
M-640034-S
Screw, hex. flange
12-422-07-S
M6xl,0x34
(2)
9
12-144-28-S
12
12-089-O1-S
Spring, valve (2)
10
12-874-07-S
13
12-173-O1-S
Cap, valve spdng (2)
14
12-755-O3-S
Kit, re_iner
(2)
12-_74-11-S
15
12-468-O5-S
Washer.
plain 13/32"
12-874-08-S
16
12-112-13-S
Spacer,
head bolt exhaust
12-874-09-S
port
11
12 018 02-S
17
12-086-1fl-S
Screw, hax, flange
12
12-108-07-S
M10x1.5x81
(5)
12-108-08-S
18
25-237-14-S
Clamp, hose (2)
12-108-09-S
19
12-326-O3-S
Hose, breather
13
12-067-11-S
20
M-645020-S
Screw, hex. flange
12-087-06-S
MSxl.0x20
(5)
14
12-3it0_01-S
24
12o096-O7-S
Cover, valve w/nipple
15
12-043-05-S
22
M-545010-S
Screw. hex. flange
16
M-631005-S
M5x0.8xl0
17
12.144-02-S
23
12-018-01-S
Retainer,
breather
reed
18
52-139-09-S
24
12°402-02-S
Reed,
breather
19
12-755-64-S
20
X-25-102-S
21
12-032-O1-S
22
M-631015-S
23
12-154-05-S
Seal, crankshaft
Block, cylinderUse
Short Block 12 522 49
Strap, lifting
Screw, hex. flange
Max1.25x25
Dowel locating (4)
Kit, camshaft(Includes 7,8)
Spring, actuating
Sh_n, camshaft(A.R) btue
ShLm,camshaft(A.R.) red
Shim, camshaft(A.R.) yellow
Shim, camshaft(A.R.) green
Shim, camshaft (A.R.) gray
Shim camshaft ()A.FL black
Shim, camshaft (A.R.) wh te
Shaft, balance
Pistonw/Ring Set (Std.)
_ncludes 11,12)
la_n wiring Set (.0B)
Piston w/Ring SOt/ 51.25
Piston w/Ring Set .5
Retainer, piston pin (2)
Ring Set (Std.)
Ring Set (.25)
Ring Set (.501
Connecting Rod (Std.)
Connecting Rod .25
Pin, governor regu at ng
Gear, governor
Washer, plain 6 mm
Shaft, governor gear
Plug, cup
Kit, gov. cross shaft w/clip
(Inctudes 23)
Washer, plain 1/4"
Seal, governor cross shaft
Washer, plain 6 mm
Clip, hitch pin
NOTE:
All component dimensions given in tJ,S.
inches
1 inch = 25.4 mm
53
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