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TRACTOR-- MODEL NUMBER 917.272421
KOHLERENGINE-MODELNUMBERCV492,TYPENUMBER27506
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.FLblack
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, pistonpin (2)
Ring Set (Std.)
Ring Set (.25)
Ring Set (.501
Connecting Rod (Std.)
Connecting Rod .25
Pin, governor reguat 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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