The negative cable, which is normally connected to the negative pole of the battery, is fastened to the crankcase. From here, the cable branches off and splits up within the electrical system to carry the ground connection to the different elements in the system.

The image shows the ground connection on left side of the engine crankcase.
The battery charging circuit and power distribution
Electrical power for lighting and signalling devicesGearchange mechanism
Gearchange pedal
Bush
Rubber pad
Pin
O-ring
Gearchange lever tie-rod
Screw
Gearchange lever
Washer
Screw
Ball joint
Nut
Nut
Nut with left-hand thread
Lh ball joint
Spare parts catalogue
Diavel abs l.H. Footrests
Diavel carbon
abs
l.H. Footrests
Important
B ...
Seat
Seat
Seat cover
Rubber mounting
Special screw
Plate
Latch
Spare parts catalogue
Diavel abs seat
Diavel carbon
abs
seat
Important
Bold reference numbers in this section identify parts not shown in the
figures alongside the text, but which can be found in
the exploded view ...
Refitting the front mudguard
Warning
Do not use the motorcycle without the front mudguard fitted to avoid
the risk of the brake pipes fouling the wheel on
braking.
Insert the screws (5) in spacers (6) with recommended threadlocker, as shown
in the figure.
Position the front mudguard (1) and start the special screws (5 ...