Yamaha MIO Service Manual page 133

VALVES AND VALVE SPRINGS
4. Install:
NOTE:
_
Install the valve cotters by compressing the
valve spring with the valve spring compressor
2.
5. To secure the valve cotters onto the valve
_
Hitting the valve tip with excessive force
could damage the valve.
4 - 31
• valve cotters 1
Valve spring compressor
90890-01253
Valve spring compressor attach-
ment
90890-01243
stem, lightly tap the valve tip with a soft-face
hammer.
CAUTION:
ENG