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 engine runs at high temperatures, keeping your bike in top shape and helping you cross the finish line.
**Compatibility**:
- 2018 - 2022 KTM 85 SX
- 2016 - 2022 KTM 125 SX
- 2017 - 2019 KTM 125 XC - W
- 2016 - 2022 KTM 150 SX
- 2020 - 2022 KTM 150 EXC
- 2017 - 2022 KTM 150 XC - W
- 2016 - 2022 KTM 250 SX
- 2017 - 2022 KTM 250 EXC
- 2017 - 2022 KTM 300 EXC
- 2016 - 2022 KTM 250 SX - F
- 2017 - 2022 KTM 250 EXC - F
- 2016 - 2022 KTM 350 SX - F
- 2017 - 2022 KTM 350 EXC - F
- 2016 - 2022 KTM 450 SX - F
- 2017 - 2022 KTM 450 EXC
- 2017 - 2022 KTM 500 EXC
**Key Features**:
- Stops coolant overflow during high - temperature operation.
- Can handle more pressure than regular radiator caps.
- Fits all Honda radiators without any modifications.
- Has a polished aluminium finish with AS3 Performance branding.
- Made by a UK company and comes with a 12 - month warranty.
- You'll get the exact cap shown in the picture.

Using your AS3 high - pressure radiator cap is easy. First, make sure the engine is cool. Then, simply remove the old radiator cap and replace it with the new AS3 cap. Make sure it's securely in place.
Here are some important things to keep in mind. High - temperature operation can cause potential damage to the engine, so don't let the engine run at high temperatures for too long. Also, always check the coolant level regularly to ensure the radiator cap is working effectively.
For maintenance, you can clean the cap with a soft cloth every few months to keep it in good condition. If you notice any signs of damage or if the cap doesn't seem to be holding pressure properly, contact the UK company for assistance. They offer a 12 - month warranty, so you're covered if there are any issues.