Polisport Radiator Louvers - Blue Panels for Yamaha YZ 450FX/WR 450F (2007-2018) YZ 250FX/WR 250F (2015-2019) YZ 450F (2014-2017) YZ 250F (2014-2018) - OEM Fit, Durable Plastic, Enhanced Airflow MASSFX Enjoy the quality plastic parts

Enjoy the quality plastic parts of a brand with more than 40 years of experience in the Off-Road motorbike market and that works with the best OEM manufacturers

Crafted to meet the unique needs of adventurous cyclists

This clip-on hard hat light has an elastic strap

The 120 TPI ProWALL casing enhances lightweight performance while offering reinforced sidewall protection for improved puncture resistance and stability at lower pressures

making it ideal for mud

Polisport Radiator Louvers - Blue Panels for Yamaha YZ 450FX/WR 450F (2007-2018) YZ 250FX/WR 250F (2015-2019) YZ 450F (2014-2017) YZ 250F (2014-2018) - OEM Fit, Durable Plastic, Enhanced Airflow MASSFX Enjoy the quality plastic partsKeep your engine cool and protected with Polisport Radiator Louvers, engineered for optimal airflow and rugged off road durability. Made from Durable Gloss Polypropylene (DGP), these injection molded panels deliver a precise OEM style fit while enhancing the radiators cooling efficiency. Whether you're replacing stock louvers or upgrading for performance, Polisport offers a reliable solution trusted by riders worldwide.