h. Install the valve into the cylinder head.
i. Press the valve through the valve guide
and onto the valve seat to make a clear
impression.
j. Measure the valve seat width "c" again. If
the valve seat width is out of specification,
reface and lap the valve seat.
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EAS24310
CHECKING THE VALVE SPRINGS
The following procedure applies to all of the
valve springs.
1. Measure:
• Valve spring free length "a"
Out of specification → Replace the valve
spring.
Inner spring
Free length (intake)
37.04 mm (1.46 in)
Limit
35.20 mm (1.39 in)
Free length (exhaust)
41.79 mm (1.65 in)
Limit
39.70 mm (1.56 in)
Outer spring
Free length (intake)
38.40 mm (1.51 in)
Limit
36.50 mm (1.44 in)
VALVES AND VALVE SPRINGS
2. Measure:
• Compressed valve spring force "a"
Out of specification → Replace the valve
spring.
b. Installed length
Inner spring
Installed compression spring
force (intake)
69–79
(7.04–8.06 kgf)
Installed compression spring
force (exhaust)
160–184 N (35.97–41.36 lbf)
(16.32–18.76 kgf)
Outer spring
Installed compression spring
force (intake)
114–132 N (25.63–29.67 lbf)
(11.62–13.46 kgf)
Inner spring
Installed length (intake)
30.02 mm (1.18 in)
Installed length (exhaust)
36.12 mm (1.42 in)
Outer spring
Installed length (intake)
32.52 mm (1.28 in)
5-25
N
(15.51–17.76
lbf)