Engine Service Manual

49
Disassembly/Inspection and Service
14 690 10 Rev. -- KohlerEngines.com
Inspection and Service
Valve Details
F
D
G
E
A
A
E
D
F
G
BB
C
C
A
A
Dimension Intake Exhaust
A Seat Angle
44.5° 44.5°
B Guide Depth 22.6 mm 20.5 mm
C Guide I.D. 5.500/5.512 mm 5.500/5.512 mm
D Valve Head Diameter 25.875/26.125 mm 23.875/24.125 mm
E Valve Face Angle
45° 45°
F Valve Margin (Min.) 0.80 mm 0.80 mm
G Valve Stem Diameter 5.465/5.480 mm 5.465/5.480 mm
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.
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.