AS3 Performance high - pressure radiator caps are a must - have for serious racers. These caps are expertly designed to stop coolant loss from radiators when the motor runs at high temperatures. This helps keep your bike running smoothly and gives you a better chance of finishing the race. Be aware that long - term high - temperature operation can damage the engine.
**Compatibility**: This radiator cap fits a wide range of KTM models, including the 2003 - 2015 KTM 125 SX, 2003 - 2016 KTM 125 EXC, 2007 - 2008 KTM 144 SX, and many others.
**Features**:
- Prevents coolant overflow at high temperatures.
- Withstands more pressure than standard radiator caps.
- Fits all KTM radiators without any modifications.
- Has a polished aluminium finish with AS3 Performance branding.
- Comes from a UK company and has a 12 - month warranty.
- The cap you see in the picture is the exact one you'll get.

Using your AS3 high - pressure radiator cap is easy. First, make sure your engine is cool. Then, carefully remove the old radiator cap and replace it with the AS3 cap. Ensure it's properly tightened to avoid any leaks.
When using your bike, keep in mind that the longer the engine runs at high temperatures, the more risk there is of engine damage. So, try to avoid long - term high - temperature operation if possible.
For maintenance, regularly check the cap for any signs of wear or damage. If you notice any cracks or if the cap doesn't seem to be sealing properly, it's time to replace it. Also, keep the cap clean by wiping it down with a soft cloth. With proper use and maintenance, your AS3 radiator cap will serve you well for a long time.