Yamaha MTN1000 2016 Service Manual page 316

b. Smaller pitch
4. Install:
• Valve cotters
TIP
Install the valve cotters by compressing the
valve spring with the valve spring compressor
"1" and the valve spring compressor attachment
"2".
Valve spring compressor
90890-04019
Valve spring compressor
YM-04019
Valve spring compressor attach-
ment
90890-01243
Valve spring compressor adapter
(26 mm)
YM-01253-1
5. To secure the valve cotters onto the valve
stem, lightly tap the valve tip with a soft-face
hammer.
ECA13800
NOTICE
Hitting the valve tip with excessive force
could damage the valve.
VALVES AND VALVE SPRINGS
6. Lubricate:
• Valve pad
(with the recommended lubricant)
Recommended lubricant
Molybdenum disulfide oil
7. Install:
• Valve pad
TIP
Each valve pad must be reinstalled in its original
position.
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