Camshaft Pulley Screw - VESPA LX 4T USA Workshop Manual

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Engine
- Bring the screw closer but without reaching its
final locking point.
- Push the tensioner pad lightly so as to check the correct timing.
- Use the specific tool to lock the camshaft crown gear and tighten the screw.
- Adjust valve clearance.
- Replace the O-Ring on the tappet cover.
- Fit the tappet cover and lock it with the 4 fixing screws indicated in the figure.
Specific tooling
020565Y Flywheel lock calliper spanner
Locking torques (N*m)
Camshaft pulley screw 12 ÷ 14 Head cover screw 8 ÷ 10 Nm
- Predisporre il cursore del tenditore nella posizione di riposo.
- Montare il tenditore sul cilindro utilizzando una nuova guarnizione, bloccare le 2 viti alla coppia pre-
scritta.
- Inserire la molla con la vite centrale e bloccarla alla coppia prescritta.
- Montare la candela.
Characteristic
Recommended spark plug
NGK CR 9EB - CHAMPION RG 4HC
Alternative spark plug
DENSO U24ESR-NB
Electric characteristic
Electrode gap
0.7 ÷ 0.8 mm
Locking torques (N*m)
Timing chain tensioner screw 8 ÷ 10 Nm Timing chain tensioner central screw 5 - 6 Ignition spark
plug 10 ÷ 15 Nm
ENG - 100
LX 4T USA

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