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 devicesHow to start the engine
With the motorcycle off and the dashboard on, the on/off switch is turned to
"run off"
With the motorcycle and dashboard on, the on/off switch is turned to "run
off".
To start the engine, simply push the on/off switch up to "run on" and press the
black start button.
...
Engine speed-timing sensor
Introduction
The engine control system of the diavel is equipped with an inductive sensor
that allows the ecu to determine the speed
and timing phase of the engine. The sensor faces a phonic wheel with 48 teeth
minus 2.
The engine speed-timing sensor is an inductive sensor and faces a 48 ...
Backlighting setting function for the dashboard on handlebar - dashboard 2
This function allows backlighting setting of the dashboard on handlebar.
To access the function it is necessary to view the ""setting" menu", using
buttons (1) "s" or (2) "t" select the "back
light" function and press the reset button (3) to enter the following page.
Use button (1) "s" or ( ...