45
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 combus-
tion chamber side using valve guide driv-
er.
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.
9
Exhaust side: Drive the exhaust valve
guide until the clip is fully seated (as
shown as fig.)
9
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.
4-3 Engine
Valve guide driver
Valve guide driver
Clip
Valve guide
Installation
height 1 mm
Summary of Contents for MA190
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