Boyesen WPK-37AL Waterpump Cover & Impeller Kit for Yamaha YZ250FX, YZ250F, WR250F (2014-2017)

Enhance your Yamaha dirt bike’s cooling system with the Boyesen WPK-37AL Waterpump Cover & Impeller Kit. This kit features a durable 2-piece cast aluminum construction that ensures long-lasting performance and resistance to corrosion. The oil filter access allows for quick and hassle-free filter changes, minimizing maintenance time and keeping your bike running smoothly. Designed to increase coolant flow across all RPM ranges, this kit helps maintain optimal engine temperatures during demanding riding conditions, improving overall performance and reliability.
The patented Nautilus style impeller is engineered for hydrodynamic efficiency, providing superior water propulsion and reducing strain on your engine’s cooling system. This design results in better heat dissipation and consistent engine temperatures, especially at high RPMs, which is critical during intense riding sessions. The kit is engineered for direct fitment and installation on compatible Yamaha models, including the YZ250FX, YZ250F, and WR250F from 2014 to 2017, ensuring a precise and secure fit.
Constructed with high-quality materials, the Boyesen Waterpump Kit offers a perfect balance of strength and weight savings. Its robust design not only enhances cooling but also contributes to the overall durability of your motorcycle’s water pump assembly. Whether you're racing or trail riding, this kit provides reliable performance and efficient engine cooling, helping your Yamaha perform at its best in all conditions. Easy to install and built to last, the Boyesen WPK-37AL Waterpump Cover & Impeller Kit is an essential upgrade for serious riders looking to maximize their bike’s cooling efficiency.

Features:

• 2-Piece cast aluminum construction for durability and corrosion resistance

• Oil filter access for quick and easy filter changes

• Increased coolant flow at all RPM ranges to maintain optimal engine temperature

• Patented Nautilus style impeller for improved hydrodynamic efficiency

Fits,
Yamaha WR250F 2015
Yamaha WR250F 2016
Yamaha WR250F 2017
Yamaha WR250F 2018
Yamaha WR250F 2019
Yamaha YZ250F 2014
Yamaha YZ250F 2015
Yamaha YZ250F 2016
Yamaha YZ250F 2017
Yamaha YZ250F 2018
Yamaha YZ250FX 2015
Yamaha YZ250FX 2016
Yamaha YZ250FX 2017
Yamaha YZ250FX 2018
Yamaha YZ250FX 2019