Owner`s manual
ELECTRICAL SYSTEM
7 - 5
SR 50
7 Fuel sensor:
resistance across terminals 1 and 3:
- 5 ohms with full fuel tank
- 38 ohms with half full fuel tank
- 100 ohms 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










