Kohler HD Series Service Manual page 49

Remove Guide Plate
1. Remove guide plate from rocker studs.
2. Note orientation of guide plate (tabs down) for use
during reassembly.
Remove Cylinder Head
1. Remove screws securing cylinder head.
2. Remove cylinder head, noting positioning of dowels.
3. Remove head gasket and discard.
Inspection and Service
Valve Details
D
F
G
Dimension
A Seat Angle
B Guide Depth
C Guide I.D.
D Valve Head Diameter
E Valve Face Angle
F Valve Margin (Min.)
G Valve Stem Diameter
14 690 10 Rev. --
E
A
B
C
44.5°
22.6 mm
5.500/5.512 mm
25.875/26.125 mm
45°
0.80 mm
5.465/5.480 mm
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Disassembly/Inspection and Service
Remove Valve Assembly
NOTE: Only intake valve has a seal. There is no valve
seal on exhaust side.
1. Push down on valve spring keepers to release valve
springs from valve stems.
2. Remove valve spring keepers and springs.
3. Push end of intake valve to release valve seal.
4. Remove both valves from opposite side of head.
A
A A
C
Intake
D
E
B
Exhaust
44.5°
20.5 mm
5.500/5.512 mm
23.875/24.125 mm
45°
0.80 mm
5.465/5.480 mm
F
G
49