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• ROCKER ARM-TO-ROCKER SHAFT CLEARANCE
• VALVE FACE/VALVE STEM O.D.
<Valve face>
Check each valve face for pitting or wear irregularities. Check
each valve face for even seat. Replace the valve if necessary.
<Valve stem>
1) Check each valve for bend, seizure or damage.
2) Insert each valve into the corresponding valve guide to
check the operation.
3) Measure the valve stem O.D. at the sliding surface of the
valve guide.
• VALVE SPRING FREE LENGTH
Measure the valve spring free length.
Standard Service limit
IN/EX
36.9 mm 35.4 mm
(1.45 in) (1.39 in)
Standard Service limit
IN
5.480
-
5.490 mm 5.450 mm
(0.2157
-
0.2161 in) (0.2146 in)
EX
5.460
-
5.470 mm 5.420 mm
(0.2150
-
0.2154 in) (0.2134 in)
4) If the measurement is less than the service limit, replace
the valve with a new one.
[1]
VALVE FACE
Standard Service limit
0.016
-
0.052 mm 0.070 mm
(0.0006
-
0.0020 in) (0.0028 in)
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