Water pump cover and impeller kit BOYESEN COVER/IMP WAT PUMP YZF Magnesium

Water pump cover and impeller kit BOYESEN COVER/IMP WAT PUMP YZF Magnesium

Combined water pump cover and impeller made of investment-cast aluminum; specifically designed to improve the performance of your engine's cooling system

This high-flow, hydrodynamic water pump kit is tested and designed to move more coolant

By increasing flow across all rpm ranges, the engine will run cooler at a more consistent temperature

Patented Nautilus-style impeller for hydrodynamic efficiency

Extending engine life

YAMAHA WR 426 F 2002 ALL

YAMAHA WR 426 F 2001 ALL

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YAMAHA WR 450 F 2003 EUROPE

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YAMAHA YZ 426 F 2002 EUROPE

YAMAHA YZ 426 F 2002 AMERICA

YAMAHA YZ 426 F 2001 AMERICA

YAMAHA YZ 426 F 2001 EUROPE

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YAMAHA YZ 450 F 2009 AMERICA

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YAMAHA YZ 450 F 2008 EUROPE

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YAMAHA YZ 450 F 2007 AMERICA

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YAMAHA YZ 450 F 2006 50th Anniversary AMERICA

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YAMAHA YZ 450 F 2005 EUROPE

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YAMAHA YZ 450 F 2004 AMERICA

YAMAHA YZ 450 F 2003 AMERICA

YAMAHA YZ 450 F 2003 EUROPE