APRILIA SR 50 Workshop Manual page 142

SR 50
7 Fuel sensor:
resistance across terminals 1 and 3:
- 5 ohm with full fuel tank
- 38 ohm with half full fuel tank
- 100 ohm with empty fuel tank
8 Fuses:
10A fuse (1) - From ignition switch to:
•
Lights
•
Low-high beam relay
•
Horn
•
Diagnostics circuit
15A fuse (2) - From battery to:
• Rectification/charge circuit
•
Ignition switch
•
Positive permanent on instrument panel
•
Injection relay
•
Engine kill switch
• Instrument panel key-operated power
- Stoplights
- Mixer oil reserve sensor
- Fuel sensor
- Coolant temperature sensor
9 Charging voltage:
voltage 13.5 V ± 0.3 V to be measured at battery poles (with
engine at 3000 rpm)
10 Headlight:
low beam 12 V – 35 W
high beam 12 V – 35 W
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