Part IV Wiring Diagram
28
Standard
Maintenance limit
5.48mm (intake)
5.54mm (exhaust)
5.318mm (intake)
5.275mm (exhaust)
③
Free length of valve spring
Measure free length of valve spring.
If it is below the standard or exceeds service
limits, replace the spring.
Standard
Maintenance limit
39.4mm
38mm
③
Valve guide
Inspection:
a) Check if the inner surface of valve guide is smooth without scratches and scuffing; and if the fitting
between valve guide and cylinder cover is solid.
b) Before measuring the inner diameter of the valve guide pipe, remove carbon depositinside valve guide
pipe by valve guide reamer.
If the inner diameter of the valve guide pipe is below the standard or exceeds the maintenance limit, the
guide pipe should be replaced.
Standard
Maintenance limit
6.515mm
6.562mm
Replacement:
a) Put the valve guide to be replaced in the freezer
of the refrigerator to freeze it for about 1 hour.
b) Use the valve guide puller to remove the valve
guide from the combustion chamber side.
When removing the valve guide, be careful not to damage the cylinder head.
c)
Install the new valve guide from the valve spring side of the cylinder head.
Valve guide puller
