2Bros Parts

WATER PUMP COVER 01-13 YZ250F, 01-13 WR250F SUPERCOOLER, WATER PUMP KIT BOYESEN WPK37B

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Supercooler Water Pump Cover and Impeller Kit Black Finish. Boyesen WPK-37B. Increases water flow for a cooler, more consistent temperature and less horsepower loss. Cooler running temperature prolongs engine life. Tough powder-coated finish. Part No. 05-050.BK.

Specifications
SKU
05-050.BK
Brand
Boyesen
Availability
In Stock (1)

Fitments (26)

MakeModelYear
YAMAHAWR 250F2001
YAMAHAWR 250F2002
YAMAHAWR 250F2003
YAMAHAWR 250F2004
YAMAHAWR 250F2005
YAMAHAWR 250F2006
YAMAHAWR 250F2007
YAMAHAWR 250F2008
YAMAHAWR 250F2009
YAMAHAWR 250F2010
YAMAHAWR 250F2011
YAMAHAWR 250F2012
YAMAHAWR 250F2013
YAMAHAYZ 250F2001
YAMAHAYZ 250F2002
YAMAHAYZ 250F2003
YAMAHAYZ 250F2004
YAMAHAYZ 250F2005
YAMAHAYZ 250F2006
YAMAHAYZ 250F2007
YAMAHAYZ 250F2008
YAMAHAYZ 250F2009
YAMAHAYZ 250F2010
YAMAHAYZ 250F2011
YAMAHAYZ 250F2012
YAMAHAYZ 250F2013
General Colour C
Black
General Product Group
Cooling Systems & Parts
General Product Type
Water Pump Cover
Variant Id
207966
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Boyesen Supercooler Water Pump Cover and Impeller Kit

Enhance your motorcycle's cooling system with the Boyesen Supercooler Water Pump Cover and Impeller Kit. This advanced kit is engineered to significantly increase water flow, resulting in a cooler and more consistent engine temperature. By maintaining optimal operating temperatures, especially during demanding race conditions, this kit helps reduce horsepower loss in the later stages of a race and contributes to prolonged engine life.

Constructed for durability, the water pump cover features a tough powder-coated finish for added protection against the elements and wear. The kit includes a high-performance impeller designed to work in conjunction with the cover for maximum efficiency.

Key Features:

  • Increases water flow for improved engine cooling.
  • Maintains consistent engine temperatures.
  • Reduces horsepower loss due to overheating.
  • Prolongs engine lifespan by reducing thermal stress.
  • Durable, tough powder-coated finish.
  • Available in a sleek black finish.
Before you buy

QUESTIONS? JUST ASK

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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.

UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

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