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Nexus 500
- Remove the central screw.
- Install the valve lifting mass being careful to the
proper positioning of the travel end ring.
- Lubricate the mass and de-compressor control
pin.
- Install the return spring and load it by about 3/4
turn.
- Turn the engine to move the references to the top
as shown in the figure (intake end).
- Insert the valve lifting device mass stop bell.
- Tighten the retaining screw to the prescribed torque, using the recommended product.
N.B.
THE BELL TIMING IS ENSURED BY THE COUNTERWEIGHT MASS FASTENING SCREW HEAD.
Recommended products
Loctite 243 Medium strength threadlock
Loctite 243 medium-strength threadlock
Engine
ENG - 153
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