11-19
11
◆ Service procedure
2
Valve cotter
[Removal]
Remove valve cotter 2 making sure that valve springs 4, 5 are squarely
and evenly pressed down by 0 valve lifter.
[Installation]
Follow the removal procedure in reverse.
CAUTION–
Be sure not to press down on valve springs 4, 5 too hard because
this would cause upper retainer 3 to contact valve stem seal 6
and damage it.
03253
01964
6
Installation of valve stem seal
• Apply engine oil to lip A of valve stem seal 6.
• Tap down 0 valve stem seal installer until it hits cylinder head 23.
45
Installation of outer and inner valve springs
Install outer springs 4 and inner springs 5 in cylinder head 23 in the
direction as illustrated.
A : Closely wound area
01965
78
Inlet valve and exhaust valve
[Inspection]
(1) Inspection of stems
If the measured value is lower than the limit or in the case of excessive
wear, replace valves 7, 8.
CAUTION–
Be sure to lap valve seats 19, 20 when valves 7, 8 are replaced
with new ones. Õ P11-21
03252
A
A
23
5
4
A
6
23
0
7, 8
0
2
6
4
5
2
3
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