Gilera 633721 Workshop Manual page 304

Suspensions
- Remove the cotter pin, the cap, the wheel axle
fixing nut and the outer one of the two spacers.
- Remove the two screws fixing the mudguard to the bracket
- Remove the two screws fixing the bracket to the engine
- Slide off the wheel axle bracket, using the heat
gun if necessary.
- Remove the 5 bolts of the wheel and remove
SUSP - 304
Nexus 500 euro 3