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ENG
CAMSHAFT, ROCKER ARMS AND VALVES
EBS00240
CHECKING THE VALVES AND VALVE
SPRINGS
1. Measure:
• stem-to-guide clearance
b
Out of specification Replace the cylinder
head ass'y.
Stem-to-guide clearance =
valve guide inside diameter –
valve stem diameter
Stem-to-guide clearance
Intake
0.010 ~ 0.037 mm
(0.0004 ~ 0.0015 in)
<Limit>: 0.08 mm (0.0031 in)
Exhaust
0.025 ~ 0.052 mm
(0.0010 ~ 0.0020 in)
<Limit>: 0.10 mm (0.0039 in)
a
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