Gilera 633721 Workshop Manual page 168

Engine
- Remove the special tool and extract the counter-
shaft with the control gear.
Replacing the countershaft bearings
- Check that the bearings are free from irregular
noise or clearance. If it does, replace it.
Flywheel-side half-crankcase
- Remove the inside Seeger ring.
- Upturn the half-crankcase.
- Remove the bearing from the flywheel side half-
crankcase using the special tool and a mallet.
Specific tooling
020376Y Adaptor handle
020358Y 37x40-mm adaptor
020439Y 17 mm guide
- Remove the bearing from the transmission side
half-crankcase using the special tool.
Specific tooling
001467Y008 Pliers to extract 17 mm ø bearings
001467Y007 Driver for OD 54-mm bearings
ENG - 168
Nexus 500 euro 3