Gilera GP 800 i.e. Service Station Manual page 184

Engine
Refitting the driven pulley shaft bearing
- Heat the crankcase using the heat gun.
Specific tooling
020151Y Air heater
- Insert the driven pulley shaft bearing until it stops against the bottom of the seat using the specific tool.
Specific tooling
020376Y Adaptor handle
020483Y 30 mm guide
020655Y Adaptor 62x68 mm
- Fit the seeger ring.
- Fit the oil seal from outside the transmission-side
crankcase half.
ENG - 34
GP 800 i.e.