POWER UNIT
67
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Removal of the valves or valve stem
seals
- Compress the spring of one of the valves
using the valve lifter P/N 754035.
- Remove the 2 half cones (1).
- Uncompress the spring and remove the tool.
Use the valve lifter provided with
adaptor P/N 758595 .
- Remove:
• The upper cup (2).
• The spring (3).
• The lower washer (4).
• The valve (5).
• Remove the 2nd valve in the same way.
When re-installing, fit the valve springs, the closest coils against the cylinder head.
When removing a valve, always change the valve stem seal. Using tool P/N 758596, fit a new
valve stem seal.
When re-installing, lubricate the 2 half
cones (1) so as to hold them in the
groove of the valve's stem.
- Placing the 2 half cones (1) into the cup
using the tool shall not be done forcefully
when decompressing the spring (3).
1
754035
2
4
5
3
1
1
3