Boyesen Impeller Pump - Yamaha Yz/Wr 250 F Wpi-37

Designed to increase water flow and reduce hydraulic friction for a cooler, more constant temperatureLess horsepower loss during the late stages of a raceExtend engine lifeImpellers are designed to...

Designed to increase water flow and reduce hydraulic friction for a cooler, more constant temperatureLess horsepower loss during the late stages of a raceExtend engine lifeImpellers are designed to...

Designed to increase water flow and reduce hydraulic friction for a cooler, more constant temperatureLess horsepower loss during the late stages of a raceExtend engine lifeImpellers are designed to...

Made from a flexible high-density polyethyleneHDPE is an excellent material; a technical plastic which offers many characteristics to protect your bike6 mm thick for maximum protection of the frame...

Look like a professional with the Factory Ignition CoverSeals properly, guarding inside of engine from dirt and water and outlasts stock coversBoyesen Factory Covers are cast from the highest grade...