Dirt Bike Oil Pumps

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

Engine cooling efficiency directly impacts performance, reliability, and longevity—especially under sustained high-RPM operation. The BOYESEN WPK-44AM water pump cover and impeller combo increases...

Engine temperature stability is critical to reliability and longevity, especially under sustained performance driving. The Boyesen WPK-44AB delivers measurable cooling gains by increasing coolant...

Stock water pumps on the YZ250F can't keep pace with sustained high-RPM racing demands, leading to thermal creep and power loss when you need it most. The BOYESEN WPI-37 Impeller Pump solves this...

Sustained cooling performance is critical during extended racing sessions—thermal cycling and pressure spikes can compromise water flow and allow temperatures to creep into the danger zone. The...

Engine cooling efficiency directly impacts performance, reliability, and longevity—especially under sustained racing conditions or high-load operation. The BOYESEN WPK-07M water pump cover and...

Engine cooling efficiency directly impacts performance, reliability, and longevity—especially under sustained high-RPM operation. The BOYESEN Impeller/Waterpump Cover WPK06AM delivers measurably...

Engine temperatures are a direct threat to longevity and performance—especially under sustained load. The BOYESEN Impeller/Waterpump Cover WPK06AB delivers increased coolant flow across all RPM...

If you're running a carbureted or naturally aspirated engine on your 650 or 750cc machine, blocking off the factory oil injection system eliminates unnecessary complexity and weight while freeing up...

A failing or damaged oil pump cover compromises your Sea-Doo's lubrication system, risking catastrophic engine damage and costly repairs. This WSM direct replacement restores proper oil circulation...

A failing oil pump compromises engine lubrication and accelerates wear on critical internal components—especially in high-performance Sea-Doo engines running extended hours or aggressive conditions...

A failing or worn oil pump directly compromises engine lubrication and can lead to catastrophic bearing damage in Sea-Doo PWCs. The WSM Short Shaft Pump (010-091) is a direct OEM-equivalent...

A failing oil pump compromises lubrication across your entire engine, risking catastrophic bearing wear and potential seizure during high-performance operation. The WSM Short Shaft Pump (010-092)...

A failing oil pump rotor compromises lubrication delivery to critical engine components, risking catastrophic bearing wear and engine seizure. The WSM Pump Rotor is a direct OEM replacement...

A reliable water pump is critical to maintaining optimal engine temperatures under sustained high-RPM operation, and the BOYESEN Magnesium Water Pump Kit delivers OEM-quality cooling performance with...

A failing water pump doesn't just compromise cooling efficiency—it threatens engine reliability and performance. The HOT RODS Water Pump Kit HR00052 delivers OEM-quality internal components to...

Engine temperature management is critical to longevity and consistent performance, especially under sustained load or high-RPM operation. The Boyesen WPK-44AO improves coolant circulation across all...

Stock cooling systems on the YZ125 struggle to handle sustained high-RPM racing conditions, leaving your engine vulnerable to thermal stress and performance loss. The BOYESEN Impeller Pump WPI31...

Engine temperature stability is critical to reliability and longevity, especially under sustained racing conditions or heavy load. The BOYESEN WPK-17M water pump cover and impeller upgrade increases...

If you're running a carbureted or naturally aspirated engine without a factory oil injection system, blocking off the unused port is essential for maintaining clean intake pathways and preventing...