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ENGINE
VALVES
2.
Measure:
• Valve stem diameter “a”
Out of specifications Replace.
3.
Measure:
• Valve stem runout
Out of specifications Replace.
The value is half of that indicated on the dial indicator
gauge.
4.
Measure:
• Valve spring free length “a”
Out of specifications Replace.
5.
Measure:
• Compressed valve spring force “a”
Out of specification Replace.
a
Valve stem diameter (Intake):
5.948–5.963 mm (0.2342–0.2348 in)
Valve stem diameter (Exhaust):
5.940–5.955 mm (0.2339–0.2344 in)
Limit (Intake):
5.918 mm (0.2330 in)
Limit (Exhaust):
5.910 mm (0.2327 in)
Valve stem runout limit:
0.01 mm (0.0004 in)
a
Valve spring free length (Intake):
37.1 mm (1.4606 in)
Valve spring free length (Exhaust):
35.6 mm (1.4016 in)
Limit (Intake):
35.25 mm (1.3878 in)
Limit (Exhaust):
33.82 mm (1.3315 in)
b
a
b. Installed length
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