APRILIA SR 50 Workshop Manual page 146

ELECTRICAL SYSTEM
3 Starter motor
current absorbed in operation: 20 A
4 Fuel pump:
absorption: 0.35 A
5 Tail light:
parking/stop light :
6 Ignition coil:
primary resistance: 0.7 ohms
7 - 4
12 V – 5 / 21 W
SR 50