Boyesen Supercooler Water Pump Kit Yamaha Yz250 99-22, Yz250X 16-22 Magnesium Colour:Magnesium SX and MXGP racing-inspired shoulder

SX and MXGP racing-inspired shoulder details and new brand application

The dual-stage design allows you to replace your stock reed stop with a Rev-Plate which permits the reeds to open freely and function efficiently

Heat reflective inner back panel to keep liquid cool or hot

Kawasaki KX250 90-91

Yamaha YZ 125-250 02-21

Boyesen Supercooler Water Pump Kit Yamaha Yz250 99-22, Yz250X 16-22 Magnesium Colour:Magnesium SX and MXGP racing-inspired shoulderThe Boyesen SuperCooler water pump kit is an aluminium investment cast water pump cover and impeller combo; specifically designed to enhance the performance of your engines 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. Investment cast aluminium construction Increase coolant flow at all RPM ranges Patented