Note
For clarity, the figures show the engine removed from the frame.
Loosen and remove the water pump cover (12) fixing screws (13) to the generator cover (16).
Remove the water pump cover (12).
Clean the pump housing of any scale. Check the bearings wear by turning the impeller shaft (10); in case of excessive clearance, it is necessary to replace them by operating as follows.
Remove the circlip (3) on the impeller shaft.
Slide off the rotor (10) with the sealing ring (9) from the outside.
Recover the ceramic washer - seal unit (8) placed on the internal side.
Undo and remove the screws (1) with the washer (2).
Working from the generator cover (16) internal side, use a suitable punch to press on the inner race of end bearing (5) until it can be extracted from the cover.
Use the same technique to remove the other bearing (6).
Remove the inner spacer (7).
Check the condition of the components of the mechanical seal: there should be no signs of deformation, cracking, or excessive wear. In the case of damage, both components must be renewed.
Adjusting of the air-gap phonic wheel sensor
(For front as well as rear sensor) in each case of maintenance that foresees:
Replacement or refitting of the wheel
Replacement or refitting of the phonic wheel (1) or (2)
Replacement or refitting of the brake discs
Replacement or refitting of the speed sensor (3) or (4)
(Front) replacem ...
Reassembly of the crankcase halves
The crankcase halves must be in good condition and perfectly clean. The
mating surfaces must be perfectly flat and free
from burrs.
Overhauling the alternator-side crankcase half
The following parts must be present on the internal side of the crankcase
half:
Gearbox secondary shaft bearin ...
Braking
Slow down in time, shift down to engine-brake first and then
brake applying both brakes. Pull the clutch lever before
stopping the motorcycle, to avoid sudden engine stop.
Abs system
Using the brakes correctly under adverse conditions is the
hardest – and yet the most critical - skill to mast ...