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05_157
05_158
05_160
05_159
Valve gear disassembly
- Turn the engine until the intake valves close, that is
the reference mark on the phonic wheel must be
moved upwards as shown in the figure.
- Remove the central screw and the valve lifter weight
stop bell by means of the specific tool.
Specific tool:
Compass wrench 020565Y
- Remove the return spring and the valve lifter weight
with the relevant stop washer.
N.B.: Make sure the spring and the washer do not drop
in the engine through the chain compartment.
- Align the reference marks on the phonic wheel and on
the head.
Thermal unit and timing system
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