This function indicates if "lap" function (lap number) is active.
When "lap" is not lit up, this means that the function has been switched off.
The "lap" function can be activated using the "lap" function of the setting menu.

Riding mode set indication
Riding style function (riding style change)Gear indicator display on dashboard shows dashes, engaged gear not displayed
correctly, idle speed irregular
with gearbox in neutral
Fault codes
Dds: gear sensor diagnosis -> short circuit to ground or open circuit (s.C.
Gnd or c.O.) - Short circuit to vdc (s.C. Vdc)
- congruence (generic error - signal not correct).
Dashboard: the error "gear sensor" is shown on the service display. The eobd
warning light activates.
...
Reassembling the electrical components support
Check the presence of clips (1), (9) and (24) on the support (5).
Check the presence of rubber pads (6) and (8) and of cable grommet (7).
Check that the voltage regulator (3) and the solenoid starter (18) are in
place on the support (5) with their wiring as
shown.
The horn (22) mus ...
External components
Oil breather valve
O-ring
Sealing washer
Gear position sensor
Cylinder barrel/head stud
Nipple
By-pass spring
Plug
Plug
Aluminium gasket
Nut
Lock washer
Timing gear pair
Key
Key
O-ring
Screw
Locating dowel
Starter idler gear
Washer
Gear shaft
O-ring
...