PIAGGIO NRG 50 User Manual page 110

Engine
- Fit the specific tool to stop the starter crown.
- Tighten the nut to the prescribed torque, then
carry out a final 90° locking.
N.B.
REPLACE THE NUT WITH A NEW ONE AT EVERY REFIT.
CAUTION
UPON FITTING THE DRIVING PULLEY UNIT IT IS OF UT-
MOST IMPORTANCE THAT THE BELT IS FREE INSIDE IN
ORDER TO AVOID WRONG TIGHTENING AND CONSE-
QUENTLY DAMAGING THE CRANKSHAFT KNURLING.
Specific tooling
020451Y starting ring gear lock
Locking torques (N*m)
Crankshaft pulley nut
End gear
Removing the hub cover
To remove the Hub cap fitting cap, proceed as fol-
lows:
First remove:
- transmission cover
- the driven pulley complete with clutch.
- unscrew the drain screw and drain the Hub cap
fitting oil using a special container.
Unscrew and remove the Hub cap fitting cap's fas-
tening screws.
ENG - 110
18 - 20 + 90° Nm
NRG 50