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5-28
VALVES AND VALVE SPRINGS
ENG
EAS00241
CHECKING THE VALVE SPRINGS
The following procedure applies to all of the
valve springs.
1. Measure:
S
valve spring free length
a
Out of specification
!
Replace the valve
spring.
Valve spring free length
Intake and exhaust valve spring
37.3 mm
<Limit>:35.4 mm
2. Measure:
S
compressed valve spring force
a
Out of specification
!
Replace the valve
spring.
b Installed length
Compressed valve spring force
(installed)
Intake and exhaust valve
spring
98.1
X
113.8 N
(10.0
X
11.6 kgf) at 30.4 mm
3. Measure:
S
valve spring tilt
a
Out of specification
!
Replace the valve
spring.
Spring tilt limit
Intake and exhaust valve
spring
2.5
_
/ 1.7 mm