BOYESEN SuperCooler – Water Pump Cover + Impeller (Blue) – Ref. WPK-37CL
Designed for demanding motocross riders, this BOYESEN SuperCooler kit includes a water pump cover and a hydrodynamic impeller aimed at optimizing the cooling circuit. The high-performance geometry of the impeller is intended to increase the flow of coolant, helping the engine maintain a more stable operating temperature during sustained efforts on the track or off-road.
The kit not only provides a sought-after functionality for thermal management but also features a sleek blue finish that enhances the water pump housing. Ideal for those looking to minimize the risk of overheating during intense sessions and to keep a more efficient radiator over time.
Kit Contents:
- Water pump cover
- Gasket
- Impeller
- Hardware kit
Suitable for recent 250 cc motocross machines — for example, YAMAHA YZ 250 F (2026), FANTIC XXF 250 (2024), and YAMAHA YZ 250 FX (2024). Installation and maintenance are recommended by a mechanic or motorcycle preparer to ensure optimal adjustment and sealing.
