APRILIA RS 50 Workshop Manual page 103

Electrical system
RS 50
TECHNICAL DATA
Starter motor ........................................... 12 V - 150 W
Brush wear limit .................................. 0.9 mm (0.03 in)
Starter relay ................................................ 12 V - 70 A
Battery ........................................................ 12 V - 4 Ah
TROUBLESHOOTING
A. STARTER MOTOR DOESN'T TURN OR TURNS
VERY SLOWLY
Check the battery (CHECKING THE BATTERY).
Check the circuit (wiring and connectors).
Check the starter relay (CHECKING THE STARTER
RELAY).
Check the starter button " " (CHECKING THE
STARTER BUTTON).
Check the general power supply circuit.
B. STARTER MOTOR TURNS BUT ENGINE
DOESN'T TURN OVER
Check the starter motor gears (CHECKING THE
STARTER MOTOR).
C. STARTER MOTOR TURNS BY ITSELF, WITH-
OUT PRESSING THE BUTTON
Check the starter motor wiring connections.
Check the starter relay (CHECKING THE STARTER
RELAY).
Check the starter button " " (CHECKING THE
STARTER BUTTON).
6-10
ch. 6
Release 00 2001-03