Boyesen Waterpump Cover & Impeller Kit for Yamaha YZ450F - Black (Part WPK-38AB)

Upgrade your Yamaha YZ450F with the Boyesen Waterpump Cover & Impeller Kit, designed to enhance cooling efficiency and simplify maintenance. Crafted with durable 2-piece cast aluminum construction, this kit ensures long-lasting performance and reliable operation under demanding riding conditions. The included impeller features a patented Nautilus style design, which provides superior hydrodynamic efficiency to improve coolant flow across all RPM ranges, helping to keep your engine running at optimal temperatures. The kit also offers an oil filter access point, allowing for hassle-free filter changes without removing the entire cover, saving time during routine maintenance. Proper cooling is critical for high-performance motorcycles, and this kit ensures your Yamaha YZ450F stays cool during intense rides or extended trail sessions, reducing the risk of overheating and potential engine damage.

Features:

• 2-Piece Cast Aluminum Construction: durable and reliable for long-term use

• Oil Filter Access: facilitates easy filter changes without disassembly

• Increased Coolant Flow at All RPM Ranges: improves engine cooling efficiency

• Patented Nautilus Style Impeller: enhances hydrodynamic performance for better coolant circulation

Fits,
Yamaha YZ450F 2010
Yamaha YZ450F 2011
Yamaha YZ450F 2012
Yamaha YZ450F 2013