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Boyesen WPI-37 Water Pump Impeller


Generally ships to addresses in the contiguous United States the same business day if ordered by 12:15PM Central Time!

Designed to increase water flow and reduce hydraulic friction for a cooler, more constant temperature.
Less horsepower loss during the late stages of a race.
Extends engine life.
Covers feature a super tough, powder-coated finish that resists weathering and wear and tear.
Impellers are designed to minimize cavitation.

Yamaha WR250F 2001-2007
Yamaha YZ250F 2001-2007

Please Note: Ships same business day to contiguous US if ordered by 12:15 PM Central Time!

Note: WPI-37