VALVES AND VALVE SPRINGS
5-23
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.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
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.
2. Measure:
• Compressed valve spring force “a”
Out of specification → Replace the valve
spring.
3. Measure:
• Valve spring tilt “a”
Out of specification → Replace the valve
spring.
Valve spring free length
Free length (intake)
47.06 mm (1.85 in)
Limit
44.71 mm (1.76 in)
Free length (exhaust)
47.06 mm (1.85 in)
Limit
44.71 mm (1.76 in)
Installed compression spring
force (intake)
160.00–184.00 N (16.32–18.76
kgf, 35.97–41.36 lbf)
Installed compression spring
force (exhaust)
160.00–184.00 N (16.32–18.76
kgf, 35.97–41.36 lbf)
Installed length (intake)
25.60 mm (1.01 in)
Installed length (exhaust)
25.60 mm (1.01 in)
b. Install length
Spring tilt limit
Spring tilt (intake)
2.5°/2.1 mm (0.08 in)
Spring tilt (exhaust)
2.5°/2.1 mm (0.08 in)
To Next Page
Loading...
Need help?
General
