Description
Water temperature consistency is critical to maintaining peak horsepower and engine reliability during extended racing sessions. The BOYESEN Impeller Pump WPI-06 increases coolant flow while reducing hydraulic friction, keeping your CRF450 running cooler and stronger when it matters most. By minimizing temperature fluctuations in the late stages of a race, this upgrade directly translates to sustained performance and extended engine longevity.
- CRF450 specific fitment
- Increased water flow rate
- Reduced hydraulic friction
- Cavitation-resistant impeller design
- Maintains consistent coolant temperature
- Preserves horsepower late-race
- Extends engine service life
- Bolt-on installation
- OEM part replacement
- MPN: WPI-06









