Honda 2004 CRF250X Service Manual page 170

CYLINDER HEADIVALVES
If
a special tool is Install the tappet hole protector into the intake valve
not aval/able, refer
lifter bore.
to the next step to
make an alternative
tool.
TOOL:
Tappet hole protector 07JMG·KV20100
An equivalent tool can easi ly be made from a plastic
~':"~~~:"'~
...
~~~
...
======----
35 mm (1.4 in) film contai ner as shown.
To prevent loss
of Remove the valve spring cotters using the special
tension, do not
tools.
compress the valve
springs more than
TOOLS:
necessary to Valve spring compressor
remove the cotters
Compressor attachment
Mark all parts
during disassembly
so
they can
be
reins/ailed
In
thelf
original locations.
8-16
Remove the following:
- Spring retainer
- Valve spring
- Valve
- Stem seal
- Spring seat
07757-0010000
07JME-KV20100
5
[
mm
1
0.2 in )
i
mm
15
[0 .6 inl
~
'----
,
r
~
L---
5
m
in )
m
(0.2
.
TOP VIEW
22 mm (0.9 in) 1.0.
(when compressed)
VALVE SPRING COMPRESSOR
COITERS
STEM SEAL
VALVE SeFIiNG