Yamaha VMAX 2009 Service Manual page 308

2. Lubricate:
• Valve stem "1"
• Valve stem seal "2"
(with the recommended lubricant)
Recommended lubricant
Molybdenum disulfide oil
• Valve stem end
(with the recommended lubricant)
Recommended lubricant
Engine oil
3. Install:
• Valve spring seat "1"
• Valve stem seal "2"
• Valve "3"
• Valve spring "4"
• Valve spring retainer "5"
(into the cylinder head)
TIP
• 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
3
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
YM-04019
Valve spring compressor attach-
ment
90890-01243
Valve spring compressor adapt-
er (26 mm)
YM-01253-1
5-35
5
2
4
1