Dirt Bike Oil Pumps

Your KX250's water pump is exposed to constant mud, debris, and thermal stress—a vulnerable point on any serious race bike. The BOYESEN Magnesium Water Pump Cover seals out contaminants while...

Engine cooling integrity is non-negotiable in high-performance riding, and a compromised water pump cover can lead to coolant leaks and overheating during peak demand. The BOYESEN Water Pump Cover...

Engine temperatures spike under sustained load, compromising performance and reliability. The BOYESEN WPK-10M addresses this directly with a high-flow water pump design that increases coolant...

Engine cooling efficiency directly impacts performance, reliability, and longevity—especially under sustained load or high RPM conditions. The BOYESEN WPK-10B water pump cover and impeller upgrade...

Engine cooling efficiency directly impacts performance and longevity. The BOYESEN WPK-38M waterpump cover and impeller combo uses a patented nautilus-style impeller design to increase coolant flow...

Engine cooling efficiency directly impacts performance and longevity—especially under sustained high-RPM operation. The BOYESEN WPK-38B water pump cover and impeller combo increases coolant flow...

Engine cooling efficiency directly impacts both performance and longevity—inadequate coolant flow leads to temperature spikes, reduced power output, and accelerated wear on critical components. The...

Engine cooling efficiency directly impacts performance, reliability, and longevity—especially under sustained high-RPM conditions. The BOYESEN Impeller/Waterpump Cover upgrades your cooling system...

Engine coolant flow directly impacts operating temperature stability and component longevity—especially under sustained high-RPM operation. The Boyesen WPK-07B uses a patented nautilus-style impeller...

Engine cooling efficiency directly impacts performance, reliability, and longevity—especially under sustained high-RPM operation. The BOYESEN Impeller/Waterpump Cover WPK37M uses a patented...

Engine temperature stability is critical to reliability and longevity, especially under sustained load or racing conditions. The Boyesen WPK37B water pump cover and impeller upgrade increases coolant...

Engine cooling efficiency directly impacts both performance and longevity, especially under sustained load or competition conditions. The BOYESEN WPK32AM water pump cover and impeller upgrade...

Engine thermal management directly impacts reliability, performance consistency, and longevity—especially under sustained racing conditions or high-load operation. The BOYESEN Impeller/Waterpump...

Engine coolant flow directly impacts operating temperature stability and longevity—particularly under sustained high-RPM conditions where thermal management becomes critical. The BOYESEN WPK-31B...

Engine cooling efficiency directly impacts performance and longevity—inadequate coolant flow forces your engine to operate at inconsistent temperatures, compromising both power output and component...

Engine cooling efficiency directly impacts performance and longevity—especially under sustained high-RPM operation. The BOYESEN WPK-06B addresses this with a hydrodynamic impeller design that...

Engine temperature stability is critical to reliability and longevity, especially under sustained load or racing conditions. The Boyesen WPK-18AM upgrades your cooling system with a high-flow...

Engine coolant flow directly impacts operating temperature stability and component longevity. The BOYESEN WPK-18AB water pump cover and impeller assembly uses a patented nautilus-style impeller...

Engine temperature stability is critical to maintaining reliability and longevity, especially under sustained racing or high-load conditions. The Boyesen WPK-45AO addresses this directly by...

Engine heat is the silent killer of performance and reliability—especially under sustained racing conditions or aggressive driving. The Boyesen WPK-45AM water pump cover and impeller assembly solves...