| Item | Standard | Service Limit |
| Coolant Provided When Shipping | ||
| Type | Permanent type of antifreeze (soft water and ethylene glycol plus corrosion and rust inhibitor chemicals for aluminum engines and radiators) | — |
| Color | Green | — |
| Mixed Ratio | Soft water 50%, coolant 50% | — |
| Freezing Point | -35°C (-31°F) | — |
| Total Amount | 2.2 L (2.3 us qt) (reserve tank full level including radiator and engine) | — |
| Radiator Cap | ||
| Relief Pressure | 93 - 123 kPa (0.95 - 1.25 kgf/cm², 13 - 18 psi) | — |
| Thermostat | ||
| Valve Opening Temperature | 58 - 62°C (136 - 144°F) | — |
| Valve Full Opening Lift | 8 mm (0.31 in.) or more @75°C (167°F) | — |
Cooling system specifications (Kawasaki VN900 Vulcan)
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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