| Item | Standard | Service Limit |
| Battery | ||
| Type | Sealed Battery | — |
| Model Name | YTX12-BS | — |
| Capacity | 12 V 10 Ah | — |
| Voltage | 12.8 V or more | — |
| Charging System | ||
| Type | Three-phase AC | — |
| Charging Voltage (Regulator/Rectifier Output Voltage) | 14.2 - 15.2 V | — |
| Alternator Output Voltage | 54 V or more @4 000 r/min (rpm) | — |
| Stator Coil Resistance | 0.11 - 0.17 Ω | — |
| Ignition System | ||
| Crankshaft Sensor Resistance | 380 - 560 Ω | — |
| Crankshaft Sensor Peak Voltage | 2.5 V or more | |
| Ignition Coil: | ||
| 3 Needle Arcing Distance | 6 mm (0.24 in.) or more | — |
| Winding Resistance: | ||
| Primary Windings | 1.9 - 2.9 Ω | — |
| Secondary Windings | 10.6 - 15.8 KΩ | — |
| Primary Peak Voltage | 184 V or more | |
| Spark Plug: | ||
| Type | NGK CPR7EA | — |
| Gap | 0.8 - 0.9 mm (0.03 - 0.04 in.) | |
| Electric Starter System | ||
| Starter Motor: | ||
| Carbon Brush Length | 12 mm (0.47 in.) | 6.0 mm (0.24 in.) |
| Commutator Diameter | 28 mm (1.10 in.) | 27 mm (1.06 in.) |
| Air Switching Valve | ||
| Air Switching Valve Resistance | 18 - 22 Ω at 20°C (68°F) | |
| Switch and Sensor | ||
| Rear Brake Lights Switch Timing | On after about 10 mm (0.39 in.) pedal travel | — |
| Engine Oil Pressure Switch | When engine is stopped: ON | — |
| Connections | When engine is running: OFF | — |
| Water Temperature Sensor Resistance | in the text | |
| Fuel Level Sensor Resistance: | ||
| Full Position | 4 - 10 Ω | |
| Empty Position | 90 - 100 Ω |
Electrical system specifications (Kawasaki VN900 Vulcan)
See this article in russian language
Electrical system special tools and sealant
Electrical system precautions
Electrical wiring inspection
Fan motor inspection
Meter unit — removal and installation
Meter unit — disassembly and assembly
Meter unit inspection
Air switching valve
Fuel level sensor inspection
Fuel reserve switch inspection
Electrical system precautions
Electrical wiring inspection
Fan motor inspection
Meter unit — removal and installation
Meter unit — disassembly and assembly
Meter unit inspection
Air switching valve
Fuel level sensor inspection
Fuel reserve switch inspection
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- Information for owner
- Introduction to manual
- Maintenance
- Engine and systems
- Engine repair
- Fuel system (DFI)
- Cooling system
- Lubrication system
- Transmission
- Running gear and frame
- Frame and hinged elements
- Front suspension and handlebar
- Rear suspension
- Brake system
- Wheels and tires
- Electric equipment
- Equipment and devices
- Lighting and lamps
- Starting and charging system
- Ignition system
- Electrical circuits