APRILIA SR 50 Workshop Manual page 154

ELECTRICAL SYSTEM
3 Starter motor
absorption in operation: 20 A.
4 Tail lights:
parking/stop light
5 Fuel sensor:
resistance (measure across pin 1 and 2)
- 5 ohms with full fuel tank
- 38 ohms with half full fuel tank
- 100 ohms with empty fuel tank
6 Fuses:
7.5A fuse (1) - From ignition switch to:
•
Instrument panel key-operated power
- Stoplights
- Mixer oil reserve sensor
- Fuel sensor
- Coolant temperature sensor
•
Turn indicator circuit
•
Horn
•
Diagnostics circuit
15A fuse (2) - From battery to:
•
Rectification/charge circuit
•
Ignition switch
•
Positive permanent on instrument panel
7 - 12
12 V – 5 / 21 W
SR 50