APRILIA RX 125 Service Station Manual

1. Instrument panel
2. Key switch
3. fuses
4. Battery
5. Voltage regulator
6. Generator
Recharge check
•
Start the engine and make it run at 6000 rpm.
•
Connect a tester in voltmeter function to check the direct current on the battery leads.
•
Turn on the low-beam lights.
•
The voltage must be between 13.5 and 15 V.
Troubleshooting
•
Check that the fuses are in good conditions.
•
Check the starter button.
•
Check the start-up relay.
•
Check the starter motor.
Control data
Flywheel check
•
Disconnect the alternator cable con-
nector.
•
Start the engine and make it run at
5000 rpm.
•
With the pocket tester measure the
voltage (alternating current) among the
three yellow cables. If the value indica-
ted by the tester is below 53 V, the
generator is faulty.
Standard off-load voltage: above 53 V (AC) at
6000 rpm.
Electrical system RX SX 125
ELE SYS - 58

APRILIA RX 125 Specifications

General

Displacement	124.2 cc
Max Power	11 kW (15 HP) @ 10, 700 rpm
Torque	11.2 Nm @ 8, 000 rpm
Fuel System	Electronic fuel injection
Transmission	6-speed
Rear Suspension	Monoshock
Front Brake	Single disc, 300 mm
Rear Brake	Single disc, 220 mm
Seat Height	905 mm
Weight	134 kg (dry)
Engine Type	Single cylinder, 4-stroke
Cooling System	Liquid-cooled
Front Suspension	Upside-down fork
ABS	Yes