Polisport 8464700003 Radiator Louvers for Yamaha YZ250F YZ450F YZ450FX WR450F 2019+ and YZ450F 2018+ YZ250FX WR250F 2020+ – Durable Black OEM Style Airflow Guards bin and trusted by motocross professionals

and trusted by motocross professionals worldwide

The flexible design allows for easy installation in tight engine compartments where rigid tubes would require complex bending or multiple fittings

more reliable

and offers you greater mobility and access

No prep needed—just install and ride

Polisport 8464700003 Radiator Louvers for Yamaha YZ250F YZ450F YZ450FX WR450F 2019+ and YZ450F 2018+ YZ250FX WR250F 2020+ – Durable Black OEM Style Airflow Guards bin and trusted by motocross professionalsImprove cooling efficiency and restore factory fresh looks with the Polisport 8464700003 Radiator Louvers, designed for Yamaha YZ250F and YZ450FX WR450F models from 2019 onward, YZ450F from 2018+, and YZ250FX WR250F from 2020+. These precision molded louvers protect the radiator from roost and debris while maintaining optimal airflow for consistent engine performance. Built from high strength polypropylene, they offer excellent durability and a