NOTE: The location of contact area
should be in center of valve seat.
Measure valve seat width using a
caliper .
If valve seat contact width is too wide
or has dark spots, replace the cylinder
head.
A. Valve face contact width
Installating the Valve
For installation, reverse the removal
procedure. Pay attention to the
following details.
Install a NEW valve stem seal. Make
sure thrust washer is installed before
installing seal.
Apply engine oil on valve stem and
insta1l it.
NOTICE Be careful when valve stem is
passed through sealing lips of valve
stem sea1.
1. Thrust washer
2. Sealing lips of valve stem seal
To ease installation of cotters, apply
oil or grease on them so that they
remain in place while releasing the
spring.
After spring is installed, ensure it is
properly locked by tapping on valve
stem end with a soft hammer so that
valve opens and c1oses a few times.
NOTICE An improperly locked valve
spring wi1l cause engine damage.
To Next Page
