Boyesen Supercooler Water Pump Kit Yamaha Yz250F 19-22, Wr250F 20-21, Yz250Fx 20-21 Black tear off alternative multi-plate articulating design ensures comfort

multi-plate articulating design ensures comfort as well as great airflow due to ventilation slots

Internal toe and heel reinforcement for enhanced protection

TM Year Pitch Part Number 125 MX 01-16 520 FXRS 80-51  250 MX 01-16 520 FXRS 80-48  250 MX FI 11-16 520 FXRS 80-48  450 MX FI 03-16 520 FXRS 80-48

case covers

Boyesen Supercooler Water Pump Kit Yamaha Yz250F 19-22, Wr250F 20-21, Yz250Fx 20-21 Black tear off alternative multi-plate articulating design ensures comfortThe 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