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VALVE
a
a
Out of specifications Replace.
3.
Measure:
• Valve stem runout
Valve stem runout limit:
Out of specifications Replace.
TIP
The value is half of that indicated on the dial indicator
gauge.
4.
Measure:
• Valve spring free length "a"
Valve spring free length (Intake):
Valve spring free length (Exhaust):
Limit (Intake):
Limit (Exhaust):
Out of specifications Replace.
5.
Measure:
• Compressed valve spring force "a"
Out of specification Replace.
b
b. Installed length
a
Installed compression spring force (Intake):
Installed compression spring force (Exhaust):
Installed length (Intake):
Installed length (Exhaust):
6.
Measure:
• Valve spring tilt "a"
Tilt limit:
Out of specifications Replace.
3-23
0.01 mm (0.0004 in)
26.5 mm (1.0433 in)
26.5 mm (1.0433 in)
25.18 mm (0.9913 in)
25.18 mm (0.9913 in)
41.9–46.3 N (4.27–4.72 kgf, 9.41–10.40 lbf)
41.9–46.3 N (4.27–4.72 kgf, 9.41–10.40 lbf)
21.6 mm (0.8504 in)
21.6 mm (0.8504 in)
0.8 mm (0.0314 in)
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10
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