Gilera 633721 Workshop Manual page 231

Nexus 500 euro 3
TO OVERCOME THE RESISTANCE OF THE O-RINGS, LEVER WITH A SCREWDRIVER THROUGH
THE OPENINGS OBTAINED ON THE STOP INSERTION SIDE.
- Lubricate the O-rings and repeat the operations
in the reverse order for reassembly.
(3) Fuel pump
- Note the position of the power supply wires on the support
pos 1 = positive (red)
pos 4 = negative (black)
- Disconnect the power supply cables
- Cut the delivery pipe fastening clamp on the sup-
port.
Injection
INJEC - 231