Yamaha XF50W Service Manual page 187

VALVES AND VALVE SPRINGS
5. To secure the valve cotters onto the valve
cC
Hitting the valve tip with excessive force
could damage the valve.
6. Install:
NOTE:
8 Lubricate the valve pad with engine oil.
8 Valve pad must be reinstalled in its original
5-30
Valve spring compressor
90890-04019(YM-04019)
Valve spring compressor attach-
ment
90890-04148(YM-04148)
stem, lightly tap the valve tip with a soft-
face hammer.
valve pad 1
position.
ENG
m
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