EBR 1190RS 2013 Owner's Manual page 123

NOTE
If the coolant expansion tank is empty when the engine
is cold, it is possible that air has been drawn into the
cooling system. The system must be purged of any
trapped air and refilled with coolant. See the service
manual for instructions on the correct procedure.
Clean the inlet surface of the radiator regularly.
Leaves and other debris can collect on the radiator
surface and degrade radiator performance which
could lead to engine overheating and engine damage.
123
CLEANING YOUR EBR
Aluminum parts must be maintained regularly to retain
their original shine and luster. Frequently clean and wax
your new EBR motorcycle to inhibit rust and corrosion.
To aid in keeping your motorcycle clean, see an EBR
dealer for cleaning, touch-up, polishing and waxing
products.