Yamaha Sirius T110LSE Service Manual page 128

VALVES AND VALVE SPRINGS
EAS00245
INSTALLING THE VALVES
The following procedure applies to all of the
valves and related components.
1. Deburr:
9valve stem end
2. Lubricate:
9valve stem 1
9valve stem seal 2
M
3. Install:
9valve 1
9lower spring seat 2
9valve stem seal 3
9valve spring 4
9upper spring seat 5
NOTE:
Install the valve spring with the larger pitch a
facing up.
b Smaller pitch
4-29
(with an oil stone)
(with the recommended lubricant)
Recommended lubricant
Engine oil
(into the cylinder head)
ENG