PIAGGIO NRG 50 User Manual page 140

Engine
- Using a specific tool, remove any bearings left in
the flywheel side half-crankcase.
Refitting the crankshaft bearings
- Support the main bearings and put them in a
heatable container filled with cold oil.
- Heat the container with oil using a heat gun.
- Bring the oil to a temperature of at least 130°C.
ENG - 140
NRG 50