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 devicesRefitting the shock absorber support
If you had removed them, apply recommended grease on the threads of the
adjusters (4) and the ring nuts (3) having
care not to have grease on the surface (c) of the adjusters.
Tighten the adjusters on the ring nut side opposite to that featuring flats
until bringing the surfaces as close as ...
Transmission
Wet clutch controlled by the lever on left-hand side of the
handlebar.
Transmission from engine to gearbox primary shaft via spur
gears.
Front chain sprocket/clutch gearwheel ratio:
33/61
6-speed gearbox with constant mesh gears, gear change
pedal on left side of motorcycle.
Gearbox ou ...
Gearchange mechanism
Return spring
Washer
Special screw
Gear pawl assembly
Interlock plunger holder
Sealing washer
Detent ball spring
Ball
Circlip
Selector claw return spring
Shim washer
Ring
Nut
Selector drum control fork
Gearchange lever pin
Shaft with gearchange lever arm
Gearch ...