Checking The Valve Lifters; Installing The Valves - Yamaha 2009 Diversion XJ6S Service Manual

EAS24320

CHECKING THE VALVE LIFTERS

The following procedure applies to all of the
valve lifters.
1. Check:
Valve lifter
G
Damage/scratches → Replace the valve lift-
ers and cylinder head.
EAS24340

INSTALLING THE VALVES

The following procedure applies to all of the
valves and related components.
1. Deburr:
Valve stem end
G
(with an oil stone)
2. Lubricate:
Valve stem "1"
G
Valve stem seal "2"
G
(with the recommended lubricant)
Recommended lubricant
Molybdenum disulfide oil
3. Install:
Valve "1"
G
VALVES AND VALVE SPRINGS
Lower spring seat "2"
G
Valve stem seal "3"
G
Valve spring "4"
G
Upper spring seat "5"
G
(into the cylinder head)
TIP
Make sure each valve is installed in its original
G
place.
Install the valve spring with the larger pitch "a"
G
facing up.
a. Larger pitch
b. Smaller pitch
4. Install:
Valve cotters "1"
G
TIP
Install the valve cotters by compressing the
valve spring with the valve spring compressor
"2" and the valve spring compressor attachment
"3".
Valve spring compressor
90890-04019
YM-04019
Valve spring compressor attach-
ment
90890-04108
Valve spring compressor adapter
22 mm
YM-04108
5-26
New
2
1
5
3
4