Yamaha FJR1300AS(X) Service Manual page 336

2. Lubricate:
• Valve stem "1"
• Valve stem seal "2"
(with the recommended lubricant)
Recommended lubricant
Molybdenum disulfide oil
3. Lubricate:
• Valve stem end
(with the recommended lubricant)
Recommended lubricant
Engine oil
4. Install:
• Lower spring seat "1"
• Valve stem seal "2"
• Valve "3"
• Valve spring "4"
• Upper spring seat "5"
(into the cylinder head)
NOTE:
• Make sure each valve is installed in its original
place.
• Install the valve springs with the larger pitch "a"
facing up.
New
VALVES AND VALVE SPRINGS
b. Smaller pitch
5. Install:
• Valve cotters
NOTE:
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
YM-04019
Valve spring compressor attach-
ment
90890-04114
Valve spring compressor adapt-
er 19.5 mm
YM-04114
5-31