Yamaha YJ125S Service Manual page 188

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.
5-27
Valve spring compressor
90890-04109 (YM-04109)
Valve spring compressor attach-
ment
90890-04108 (YM-04108)
stem, lightly tap the valve tip with a soft-
face hammer.
ENG