Service manual

5-64
E
POWR
VALVES AND VALVE SPRINGS
SERVICE POINTS
Valve removal
1. Remove:
• Valve lifter 1
• Valve pad 2
NOTE:
Make a note of the position of each valve lifter
and valve pad so that they can be reinstalled in
their original place.
2. Remove:
• Valve cotters 1
NOTE:
Remove the valve cotters by compressing the
valve spring with the valve spring compressor
2 and attachment 3.
Valve spring compressor:
YM-04019/90890-04019
Valve spring compressor
attachment:
(for the intake valve)
YM-4114/90890-04114
(for the exhaust valve)
YM-4108/90890-04108
3. Remove:
• Upper spring seat 1
• Valve spring 2
• Valve 3
• Oil seal 4
• Lower spring seat 5
NOTE:
Identify the position of each part very carefully
so that it can be reinstalled in its original place.