Electric System - Ducati ST4S Owner's Manual

Electric system

Basic electric items are:
Headlamp consisting of the following:
12V-55W low beam unit, poly-ellipsoidal with capacitor;
12V-55W high beam unit
12V-5W parking light.
Instrument panel, 12V-1.5W warning lights; 12V-2W
and 3W instrument lights.
Electrical controls on handlebar.
Turn indicators, 12V-10W bulbs.
E
Horn.
Stop light switches.
Battery 12V-10 Ah.
Generator 12V-520W.
Electronic voltage regulator (rectifier), protected by a
40 A fuse.
Starter motor, 12V-0.7 kW.
Tail light, 12V-5/21W double-filament bulb for stop light
and parking light; 12V-5W bulb for number plate light.
Note
See "Replacing bulbs" on page 61 for relevant
instructions.
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