Fluidyne FPS11-YZ250F-R Power-Flo Right Side Radiator for Yamaha YZ250F Fits Yamaha YZ250F 01-05 Direct fit design means no installation modifications are required Radiator core is thicker than stock radiator for increased cooling and internal coolant passages are 33 per cent wider for improved flow Billet filler necks, TIG welded tanks and furnace brazed aluminum cores for strength and durability Right side only (sitting on the vehicle). Left side sold separately.