Gilera GP 800 i.e. Service Station Manual page 316

Suspensions
- Thoroughly wipe off any lubricating grease on the
spacer.
- Check that the roller casing work surfaces exhibit
no signs of scratches or abnormal wear.
Characteristic
Standard diameter
30.0 mm -0.02 -0.041
- Remove the seeger ring.
- Take out the bearing using the specific tool.
Specific tooling
001467Y035 Bell Ø 42
001467Y001 Pliers to extract 25 mm Ø bearings
SUSP - 30
GP 800 i.e.