Ducati MONSTERS4R Manuel De L'utilisateur page 145

Electric system
Basic electric items are:
Round headlamp with iodine double filament bulb, 12V-
55/60W bulb.
Parking light with 12V-5W bulb.
Electric controls on handlebar.
Turn indicators, 12V-10W bulbs.
Warning horn.
Stop light switches.
Battery, 12V-10 Ah.
E
Generator, 12V-520W.
Electronic voltage regulator, protected by a 40 A fuse.
Starter motor, 12V-0.7 kW.
Tail light, 12V-5/21W double-filament bulb for rear stop
light and tail light, 12V-5W bulb for number plate light.
Note
See "Replacing bulbs" on page 53 for relevant
instructions.
70
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Fuses
The main fuse box is located under the fuel tank.
To expose the fuses, take off the box protective cover (1,
fig. 68). Mounting position and ampere capacity are
marked on it.
The fuse located near the battery protects the electronic
regulator.
Remove the fuse cap (2, fig. 70) to expose it.
A blown fuse is identified by the interrupted inner
filament (3, fig. 69).
the fuse to avoid possible short circuits.
Failure to observe this rule may damage the electric
system or even lead to fire.
Important
Switch the ignition key to OFF before replacing
Warning
Never use a fuse with a rating other than specified.