Gilera 633721 Workshop Manual page 292

Suspensions
- Reinsert the spacer bushing on the brake disc
side using the appropriate tool and take it to the
stop.
Specific tooling
020376Y Adaptor handle
020359Y 42x47-mm adaptor
020412Y 15 mm guide
020201Y Spacer bushing driving tube
- Refit the cap and tighten the five fixing screws.
- Turn over the wheel and insert the internal spacer
with the part fitted with the Seeger ring facing the
bearing on the brake disc side.
SUSP - 292
Nexus 500 euro 3