| Trouble | Symptom and possible causes | Remedy |
| Engine overheats | Coolant insufficient. | Top up. |
| Radiator fins obstructed by dirt or debris. | Clean. | |
| Thermostat faulty, jammed in the closed position. | Replace. | |
| Coolant passages obstructed. | Clean. | |
| Air in the cooling circuit. | Bleed the circuit. | |
| Coolant pump faulty. | Replace. | |
| Coolant used does not meet specification. | Change coolant. | |
| Engine will not warm up to regular operating temperature | Thermostat faulty, jammed in the fully open position. | Replace. |
| Very low ambient temperature. | Fit cowl to radiator. |
Radiator troubleshooting information (Aprilia RS125/3)
See this article in russian language
Similar articles about motorcycles of other brands
Suzuki V-Strom DL-650 (2004-2011): Radiator (cooling system) diagnosis and troubleshooting
Yamaha YZF-R1 (2009-2014): General information about troubleshooting
BMW K 1200 LT (1998-2009): Troubleshooting of radiator
Honda Africa Twin 1000 (2015-2020): PGM-FI troubleshooting information
Ducati ST2 (1997-2003): Generator — general information
Triumph Rocket III (2004-2018): Exploded view — radiator
Harley-Davidson V-Rod (2002-2006): Tire information
Kawasaki ZX6R/ZX600J (2000-2002): Radiator and radiator fan — removal
Link to this article in different formats
TEXTHTMLBB Code
Comments and feedback from visitors
No comments yet, you will be the first!
- Information for owner
- Introduction to manual
- Maintenance
- Troubleshooting
- Engine and systems
- Engine repair
- Fuel system
- Cooling and lube system
- Running gear and frame
- Frame and hinged elements
- Front suspension and handlebar
- Rear suspension
- Brake system
- Wheels and tires
- Electric equipment
- Equipment and devices
- Starting and charging system