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TRACTOR - - MODEL NUMBER 917,273134
KOHLER ENGINE-MODEL NUMBER 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 (2) 1 12_032_03_S
2 12_755-94_S Kit, cylinder head (Includes 2
3-17, Gaskets 12 041 01-S
(Qty. 2),12 041 02_S,& 12 3 12_445_02_S
041 03-S) 4 M_839025-S
3 12_411-03-S Rod, push (2)
4 12_041-10-S Gasket, cylinder head 5 24_380_13_S
5 12_017-01-S Valve, intake (Std.) 6 12_755_49-S
12_017-02-S Valve, intake (.25) 7 12_089-31_S
6 12_016-01-S Valve, exhaust (Std.) 8 12_422-08_S
12_016-02_S Valve, exhaust (.25) 12_422-09-S
7 25_139-60_S Plug, alien hd. pipe 1/8" 12_422_10_S
8 12_318-36-S Cylinder Head
9 25_186-01_S Arm, rocker (2) 12_422-11_S
10 12-599-03-S Pivot, rocker arm (2) 12_422-12-S
11 M-640034-S Screw, hex. flange 12_422-13-S
M6xl.0x34 (2) 12_422_07_S
12 12_089-01-S Spring, valve (2) 9 12_144-28-S
13 12_173-01-S Cap, valve spring (2) 10 12_874_07_S
14 12_755-03-S Kit, retainer (2)
15 12_468-05_S Washer, plain 13/32" 12_874-11_S
16 12_112-13-S Spacer, head bolt exhaust 12_874-08_S
port 12_874_09-S
17 12_086-15_S Screw, hex. flange 11 12 018 02-S
M10x1.5x81 (5) 12 12_108-07_S
18 25_237-14_S Clamp, hose (2) 12_108-08_S
19 12-326-03-S Hose, breather 12_108-09-S
20 M-645020-S Screw, hex. flange 13 12_067-11-S
M6x1.0x20 (5) 12_067_06_S
21 12-096-07-S Cover, valve w/nipple 14 12_380-01_S
22 M-545010-S Screw, hex. flange 15 12_043-05-S
M5x0.Sxl0 16 M-631005-S
23 12_018-01-S Retainer, breather reed 17 12-144_02_S
24 12_402-02_S Reed, breather 18 52_139-09-S
19 12_755_64_S
20 X-25-102-S
21 12-032-01-S
22 M-631015-S
23 12_154_05_S
Seal, crankshaft
Block, cylinder (Use Short
Block 12 522 49)
Strap, lifting
Screw, hex. flange
MSx1.25x25
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 w/Ring Set (Std.)
(Includes 11,12)
Piston w/Ring Set (.08)
Piston w/Ring Set (.25)
Piston w/Ring 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
(Includos 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