With over 40 years in high performance engineering and manufacturing, Boyesen has produced an all-new water pump/impeller kit for the 05+ based Yamaha YZ125 model. The Boyesen SuperCooler water pump kit is an aluminum investment cast cover and impeller combo; specifically designed to enhance the performance and durability of you engine’s cooling system. This high flow, hydrodynamic water pump kit has been tested and designed to flow more coolant. By increasing the flow, the engine will run cooler at a more constant temperature.
Patented Nautilus style cast aluminum impeller
Heat treated 17-4 Stainless Steel Shaft
Increased coolant flow at all RPM ranges
Reduces cavitation and hydraulic friction
Seamless Hydrodynamic design
High capacity inlets
Available in powder coated colors; Black, Magnesium, Race Blue
