
Drain the hydraulic fluid that is inside the front and rear braking system tubes by disconnecting them from the master cylinder and the calliper (sect. 4 -3, Changing the brake fluid).
Disconnect the connector (a) of the abs control unit (6).

Loosen the screws (16) that retain the abs control unit support (12) and remove it from the vehicle.

Undo the four special screw (17) fixing the pipes (10), (9), (8) and (7), on the abs control unit (6), removing the gaskets (11).
Warning
Every time that gaskets (11) are removed, they must be replaced with new gaskets (11).

Important
Do not open the abs control unit: if it is faulty, replace it.
Note
If it is necessary to replace one or more pipes, follow the instructions indicated in paragraph "flexible wiring/hoses positioning" of this section.
Replacing the rear phonic wheel sensor
Refitting the abs control unitRemoval of the primary drive gear
Withdraw the clutch housing (1) complete with driven gear of the primary pair
(a).
Remove the inner spacer (2).
Remove the oil pump (d) (sect. 9 - 2.1, Removal of the oil pump).
Lock the primary pinion (b) with the holding tool 88713.3417 And loosen the
threaded ring nut (3) u ...
Removal of the rear brake disc
Remove the rear eccentric hub (sec. 7 - 13, Removal of the rear wheel
eccentric hub and rear wheel shaft).
Undo and remove the four fixing screws (13) of the brake disk to the wheel axle
and remove the rear brake disk (14).
Loosen the four screws (24) and remove the rear phonic wheel (25). ...
Removal of the movable tensioner/timing belt
Loosen the nut (8) and remove the washer (7) and the tensioner pulley (9)
from the pin (12) on the cylinder head.
Remove the timing belt (14) from the horizontal cylinder assembly.
Important
If the belts are to be re-used, mark the direction of rotation with an
arrow and also mark the cylin ...