9.6
Section 9
Inspection and Reconditioning
89°
6.2 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
Seat Angle
Guide Depth
Guide I.D.
Valve Head Diameter
Valve Face Angle
Valve Margin (Min.)
Valve Stem Diameter
Dimension
89°
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
G
F
Exhaust Valve
E
F
G
Intake Valve
A
A
E
D
Figure 9-10. Valve Details.
D
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 piing, cracks, or distortion. Check the
running clearance between the valve stems and guides. See Figure 9-10 for valve details and specifications.
B
C
B
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