3. TROUBLESHOOTING
41
VALVE GUIDE
DRIVER
b) Using the valve guide reamer, ream the valve guides to
remove any carbon deposits before measuring.
If the valve guide inside diameter is lower than standard or out of
the service limit, replace the guide.
Standard Service
Limit
6.6mm 6.66mm
Replacement:
a)
Chill the replacement valve guides
in the freezer section of a
refrigerator for about an hour.
b)
Drive the valve guide out of the
combustion chamber side using
valve guide driver.
NOTICE: Be careful to avoid
damaging the cylinder head when
driving out the valve guides.
c)
Install the new valve guides from the valve
spring side of the cylinder head.
Exhaust side: Drive the exhaust valve guide
until the clip is fully seated (as shown as fig.)
Intake side: Drive the intake valve guide to the
specified height (measured from the top of the
valve guide to the cylinder cover as shown as fig.)
d)
After installation, inspect the valve guide for damage, if damaged, please replace.
VALVE GUIDE
REAMER
GUIDE
HEIGHT
1mm
GUIDE CLIP
VALVE
GUIDE
DRIVER
