- Increased coolant flow at all rpm ranges
- Patented Nautilus-style impeller for hydrodynamic efficiency
Yamaha -- YZ 125 -- (2009, 2014, 2005, 2008, 2016, 2012, 2019, 2020, 2023, 2021, 2022, 2015, 2013, 2006, 2007, 2011, 2010, 2018, 2017); Yamaha -- YZ 125 X -- (2021, 2023, 2020, 2022)