Exhaust Valve - Kohler Command PRO CV732 Service Manual

Disassemble Cylinder Heads
NOTE: These engines use valve stem seals on intake valves. Use a new seal whenever valve is removed or if seal is
deteriorated or damaged in any way. Never reuse an old seal.
1. Remove screws, rocker arm pivots and rocker arms from cylinder head.
2. Compress valve springs using a valve spring compressor.
3. Once valve spring is compressed, remove following items.
● Valve spring keepers.
● Valve spring retainers.
● Valve springs.
● Valve spring caps.
● Intake and exhaust valves (mark position).
● Valve stem seal (intake valve only).
4. Repeat above procedure for other cylinder head. Do not interchange parts from 1 cylinder head to other.
Inspection and Service
Valve Details

EXHAUST VALVE

Dimension
A Seat Angle
B Insert O.D.
C
Guide Depth
D Guide I.D.
E Valve Head Diameter
F Valve Face Angle
G
Valve Margin (Min.)
H Valve Stem Diameter
24 690 37 Rev. B
F
E
D
G
H
D
36.987/37.013 mm (1.4562/1.4572 in.)
4 mm (0.1575 in.)
7.038/7.058 mm (0.2771/0.2779 in.)
33.37/33.63 mm (1.3138/1.3240 in.)
1.5 mm (0.0591 in.)
6.982/7.000 mm (0.2749/0.2756 in.)
KohlerEngines.com
Disassembly/Inspection and Service
C
B A
EXHAUST
INSERT
A
INTAKE
INSERT
B A
Intake
89°
45°
F
E
G
H
INTAKE VALVE
Exhaust
89°
32.987/33.013 mm (1.2987/1.2997 in.)
6.5 mm (0.2559 in.)
7.038/7.058 mm (0.2771/0.2779 in.)
29.37/29.63 mm (1.1563/1.1665 in.)
45°
1.5 mm (0.0591 in.)
6.970/6.988 mm (0.2744/0.2751 in.)
45