Craftsman 917.272068 - Manual (Page 53)

TRACTOR - - MODEL NUMBER 917.272068
KOHLER ENGINE-MODEL NUMBER CV490, TYPE NUMBER 27507
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 Seal, crankshaft
2 12-755-94-S Kit, cylinder head (Includes 2 12-067-12-S Crankcase (Use Short Block
3-17, Gaskets 12 041 01-S 12 522 51)
(Qty. 2), 12 041 02-S, & 12 3 12-445-02-S Strap, lifting
041 03-S) 4 M-839025-S Screw, hex. flange
3 12-411-03-S Rod, push (2) M8x1.25x25
4 12-041-10-S Gasket, cylinder head 5 24-380-13-S Pin, locating (4)
5 12-017-01-S Valve, intake (Std.) 6 12-010-31-S Camshaft assembly
6 12-016-01-S Valve, exhaust (Std.) 7 12-422-08-S Shim, camshaft - blue (A.R.)
7 25-139-60-S Plug, alien hd. pipe 1/8’ 12-422-09-S Shim, camshaft - red (A.R.)
8 12-318-36-S Cylinder Head 12-422-10-S Shim, camshaft • yellow
9 25-186-01-S Arm, rocker (2) (A.R.)
10 12-599-03-S Pivot, rocker arm (2) 12-422-11-S Shim, camshaft - green (A.R.)
11 M-640034-S Screw, hex. flange 12-422-12-S Shim, camshaft - gray (A.R.)
M6xl.0x34 (2) 12-422-13-S Shim, camshaft - black (A.R.)
12 12-089-34-S Spring, valve (2) 12-422-07-S Shim, camshaft - white (A.R.)
13 12-173-01-S Cap, valve spring (2) 8 12-144-28-S Shaft, balance
14 12-755-03-S Kit, retainer (2) 9 12-874-07-S Piston w/Ring Set (Std.)
15 12-468-05-S Washer, plain 13/32" (Includes 11,12)
16 12-112-13-S Spacer, head bolt exhaust 12-874-11-S Piston w/Ring Set (.08)
port 12-874-08-S Piston w/Ring Set (.25)
17 12-086-15-S Screw, hex. flange 12-874-09-S Piston w/Ring Set (.50)
Ml 0x1.5x81 (5) 10 12 018 02-S Retainer, piston pin (2)
18 25-237-14-S Clamp, hose (2) 11 12-108-07-S Ring Set (Std.)
19 12-326-18-S Hose, breather 12-108-08-S Ring Set (.25)
20 M-645016-S Screw, hex. flange 12-108-09-S Ring Set (.50)
M6x1.0x20 (5) 12 12-067-11-S Connecting Rod (Std.)
21 12-096-45-S Cover, valve w/nipple 12-067-06-S Connecting Rod (.25)
22 M-545010-S Screw, hex. flange 13 12-380-01-S Pin, governor regulating
M5x0.8x10 14 12-043-05-S Gear, governor
23 12-018-01-S Retainer, breather reed 15 M-631005-S Washer, plain 6 mm
24 12-402-02-S Reed, breather 16 12-144-02-S Shaft, governor gear
NOT ILLUSTRATED 17 52-139-09-S Plug, cup
12-017-02-S Valve, intake (.25) 18 12-755-64-S Kit, governor cross shaft w/
12-016-02-S Valve, exhaust (.25) clip (Includes 22)
19 X-25-102-S Washer, plain 1/4“
20 12-032-01-S Seal, governor cross shaft
21 M-631015-S Washer, plain 6 mm
22 12-154-05-S Clip, hitch pin
NOTE: All component dimensions given in U.S.
inches 1 inch = 25.4 mm
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