Installing The Valves - Yamaha T135SE Service Manual

VALVES AND VALVE SPRINGS
EAS00245

INSTALLING THE VALVES

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