Installing The Valves - Yamaha XF50W Service Manual

VALVES AND VALVE SPRINGS
EAS00245

INSTALLING THE VALVES

The following procedure applies to all of the
valves and related components.
1. Deburr:
2. Lubricate:
3. Install:
NOTE:
Install the valve spring with the larger pitch a
facing up.
b
4. Install:
NOTE:
Install the valve cotters by compressing the
valve spring with the valve spring compressor
and the valve spring compressor attachment 2 .
5-29
8valve stem end
(with an oil stone)
8valve stem 1
8valve stem seal 2
(with the recommended lubricant)
Recommended lubricant
Molybdenum disulfide oil
8valve 1
8valve spring seat 2
8valve stem seal 3 N e w
8valve spring 4
8valve spring retainer 5
(into the cylinder head)
Smaller pitch
8valve cotters 1
ENG
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