Page 1400 - Workshop Manual - Tunland (2017)
P. 1400
15-64 ENGINE MECHANICAL - CYLINDER HEAD,VALVE
5 . Take down the valve.
15
6 . Check the valve spring:
(a) Measure the uprightness of the central line of
the spring to the bottom surface. Replace it if
beyond limit.
Maximum skewness: 1.5mm
(b) Measure the free height of the valve spring.
Replace it if below limit.
Standard: 42.6 mm
Limit: 50.0mm
(c) Use the spring tester to compress the valve
spring. When the spring is compressed to
31.583mm, measure the tension of the valve
spring at this time. If the tension is not up to
the standard value, replace the valve.
Standard: 218～242.8 Nm
7 . Check the valve:
