Yamaha FZ1-N Service Manual page 228

Valve spring compressor
90890-04019
YM-04019
Intake
Valve spring compressor
attachment
90890-04114
YM-04114
Exhaust
Valve spring compressor
attachment
90890-04108
YM-04108
5. To secure the valve cotters onto the valve
stem, lightly tap the valve tip with a soft-
face hammer.
ECA13800
CAUTION:
Hitting the valve tip with excessive force
could damage the valve.
6. Install:
• Valve pad "1"
• Valve lifter "2"
NOTE:
• Lubricate the valve lifter and valve pad with
molybdenum disulfide oil.
• The valve lifter must move smoothly when
rotated with a finger.
VALVES AND VALVE SPRINGS
• Each valve lifter and valve pad must be rein-
stalled in its original position.
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