Yamaha FJR13AEV(C) Service Manual page 331

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.
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".
New
VALVES AND VALVE SPRINGS
Valve spring compressor
90890-04019
YM-04019
Valve spring compressor attach-
ment
90890-04114
Valve spring compressor adapt-
er 19.5 mm
YM-04114
6. 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.
7. Lubricate:
• Valve lifter
(with the recommended lubricant)
Recommended lubricant
Engine oil
8. Install:
• Valve pad
• Valve lifter
NOTE:
• The valve lifter must move smoothly when ro-
tated with a finger.
• Each valve lifter and valve pad must be rein-
stalled in its original position.
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