Yamaha Star XVS950A 2009 Service Manual page 222

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)
TIP
• Make sure each valve is installed in its origi-
nal place.
• Install the valve springs with the larger pitch
"a" facing up.
New
VALVES AND VALVE SPRINGS
a. Larger pitch
b. Smaller pitch
5. Install:
• Valve cotters
TIP
Install the valve cotters by compressing the
valve spring with the valve spring compressor
"1" and the valve spring compressor attach-
ment "2".
Valve spring compressor
90890-04019
YM-04019
Valve spring compressor
attachment
90890-01243
Valve spring compressor
adapter (26 mm)
YM-01253-1
5-31