Gilera Nexus 500, Workshop Manual, Page: 63 / 406

BEFORE CARRYING OUT THE CHECK, MAKE SURE THAT THE BATTERY IS IN GOOD WORK-
ING ORDER.
1) Place the vehicle on its centre stand
2) With the battery correctly connected to the circuit, place the tester terminals between the battery
terminals..
3) Start the engine, ensure that the lights are all out, increase the engine speed and at the same time
measure the voltage.
Electric characteristic
Voltage ranging between 14.0 and 15.0V at 5000 rpm.
VOLTAGE REGULATOR/RECTIFIER
Specification Desc./Quantity
Type Non-adjustable three-phase transistor
Voltage 14 ÷ 15V at 5000 rpm with lights off
Look for any leakage
1) Check that the battery exhibits no liquid leaks before checking the output voltage.
2) Turn the ignition key to OFF and connect the tester terminals between the battery negative pole (-)
and the Black cable.
3) With the tester terminals connected, disconnect the Black cable from the battery negative (-) pole.
4) With ignition key still at OFF, the reading detected by the amperometer must be
≤
0.5 mA.
Maximum current output check.
- With engine off and panel set to "ON" turn on the lights and let the battery voltage set to 12V.
- Connect ammeter pliers to the 2 recharge positive poles in output from the regulator.
- Keep the lights on and start the engine, bring it to normal speed and read the values on the ammeter.
With an efficient battery a value must be detected: > 20A
Lights list
LIST OF BULBS
Specification Desc./Quantity
1 High-beam / low-beam headlights 2 12V-55W, halogen (H7)
2 Position light / front headlight 2 12V-5W, all-glass
3 Turn indicator bulb 4 12V-10W, spherical
4 Tail light bulb and light 1 12V-21/5W, spherical, twin-filament
5 Licence plate bulb 1 12V-5W, all-glass
6 Helmet compartment bulb 1 12V-5W, cylindrical
Nexus 500
Electrical system
ELE SYS - 13