Description
Stock cooling systems on the YZ125 struggle to handle sustained high-RPM racing conditions, leaving your engine vulnerable to thermal stress and performance loss. The BOYESEN Impeller Pump WPI31 delivers measurably better coolant circulation with engineered impeller geometry that cuts hydraulic friction and eliminates cavitation—translating directly to lower operating temperatures and consistent power delivery lap after lap. For serious racers pushing their YZ125 to the limit, this is essential hardware that pays dividends in reliability and peak performance.
- Increased coolant flow
- Reduced hydraulic friction
- Minimizes cavitation damage
- Stable engine temperatures
- Extends engine longevity
- Bolt-on installation
- YZ125-specific fitment
- High-performance racing-grade
- MPN: WPI31
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