The activation of this (amber yellow) "warning" indicates that the engine coolant temperature is high.
It is activated when the temperature reaches 121C (250f).
Note
In this case, stop the vehicle and switch the engine off immediately; make sure that the fans are working.

Low hands free key (hf) battery level
Steering release error - steering still lockedRiding safety
The points given below are applicable for every day
motorcycle use and shoud be carefully observed for safe and
effective vehicle operation.
A motorcycle does not provide the impact protection of an
automobile, so defensive riding in addition to wearing
protective apparel is extremely importa ...
Changing the brake fluid
Warning
Brake fluid is corrosive and will damage paintwork. Avoid contact
with eyes and skin. In the case of accidental contact,
wash the affected area thoroughly with plenty of running water.
Changing the fluid in the front brake circuit
Remove the cover (1) with the membrane from the front b ...
Removal of the front footrests
Note
The removal of the front footrests is described only for the right one (2)
but it is the same also for the left one.
Remove the circlip (5) by releasing the pin (3).
Slide the pin (3) off the frame by supporting the footrest (2).
Slide off the footrest (2) from its seat and collect th ...