AS3 Performance high - pressure radiator caps are a must - have for serious racers. When your motor runs at high temperatures, these caps prevent coolant loss from the radiators, helping you keep your bike in top shape and finish the race. They fit multiple Fantic models from 2021 to 2023, including XX 125, XE 125, XX 250, XXF 250, XEF 250, XXF 450, and XEF 450. Key features include preventing coolant overflow in high - temperature situations, withstanding more pressure than standard caps, fitting all Yamaha radiators without modifications, having a polished aluminium finish with AS3 Performance branding, coming from a UK company with a 12 - month warranty, and you'll get the exact cap shown in the picture.
Using this AS3 high - pressure radiator cap is easy. First, make sure your engine is cool. Then, simply remove the old radiator cap and replace it with the AS3 cap. It fits well without any need for modifications. When your bike is running, especially at high temperatures, this cap will prevent coolant from overflowing. Keep in mind that if your motor runs at high temperatures for a long time, it can still damage the engine, so try to avoid overheating. As for maintenance, check the cap regularly for any signs of wear or damage. If you notice any issues, contact the UK company for support as it comes with a 12 - month warranty.
