Kohler Courage SV470-600 - Cylinder Head and Valves; Valve Details

9.6
Section 9
Inspection and Reconditioning
89°
36.237/36.263 mm
10.20 mm
6.038/6.058 mm
32.125/32.375 mm
45°
1.5 mm
5.970/5.988 mm
A
B
C
D
E
F
G
H
Seat Angle
Insert O.D.
Guide Depth
Guide I.D.
Valve Head Diameter
Valve Face Angle
Valve Margin (Min.)
Valve Stem Diameter
Dimension
89°
41.737/41.783 mm
10.20 mm
6.038/6.058 mm
37.625/37.375 mm
45°
1.5 mm
5.982/6.000 mm
Intake Exhaust
C
D
D
H
G
Exhaust Valve
F
Exhaust
Insert
Intake
Insert
G
H
Intake Valve
A
A
B
B
A
F
E
Figure 9-10. Valve Details.
E
Cylinder Head and Valves
Inspection and Service
Carefully inspect the valve mechanism parts. Inspect the valve springs and related hardware for excessive wear
or distortion. Check the valves and valve seats for evidence of deep pitting, cracks, or distortion. Check the
running clearance between the valve stems and guides. See Figure 9-10 for valve details and specifications.
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