The REKLUSE RadiusX 4.0 Clutch is an updated expanding friction disk assembly designed for select Yamaha YZ125 and YZ125X models. Manufacturer part number RMS-8307075. This clutch assembly features an updated base material developed for improved strength in high-temperature environments created by clutch systems.
Redesigned internal wall bases provide increased strength and rigidity to help deliver a more connected lever feel. The EXP disk uses friction pads based on the proprietary friction design found on REKLUSE TorqDrive clutch plates, helping match oil-flow characteristics within the clutch pack to promote improved cooling capability and consistent operation.
EXP 4.0 wedges use rolling contact with built-in pins. Compared with sliding contact, the rolling pins are designed to reduce friction and resistance for smoother engagement, a more responsive feel and stronger power delivery. Updated engagement curve designs are intended to better match modern motorcycle engine characteristics, while varying wedge weights and EXP springs provide additional tuning options.
Vehicle fitment includes 2006, 2008, 2012, 2014, 2021, 2022, 2025 and 2026 Yamaha YZ125 models, plus 2020 and 2022 Yamaha YZ125X models. Distributor part number: 11300734. Brand: REKLUSE. Product size: RadiusX 4.0. Product color: Not specified.
Features:
- Updated EXP assembly: Features a revised base material for improved strength in high-temperature clutch environments.
- Reinforced internal wall bases: Redesigned for increased strength and rigidity, helping provide a more connected lever feel.
- Proprietary friction design: EXP disk friction pads match the design used on REKLUSE TorqDrive clutch plates to support consistent operation and improved cooling capability.
- Rolling-contact EXP 4.0 wedges: Built-in pins reduce friction and resistance compared with sliding contact for smoother engagement and responsive feel.
- Updated engagement curves: Designed to better match modern motorcycle engine characteristics.
- Tuning options: Supports varying wedge weights and EXP springs.
- Vehicle fitment: Fits select 2006, 2008, 2012, 2014, 2021, 2022, 2025 and 2026 Yamaha YZ125 models, and 2020 and 2022 Yamaha YZ125X models.
- Manufacturer part number: RMS-8307075.
Fitment:
2005 Yamaha YZ125
2006 Yamaha YZ125
2007 Yamaha YZ125
2008 Yamaha YZ125
2009 Yamaha YZ125
2010 Yamaha YZ125
2011 Yamaha YZ125
2012 Yamaha YZ125
2013 Yamaha YZ125
2014 Yamaha YZ125
2015 Yamaha YZ125
2016 Yamaha YZ125
2017 Yamaha YZ125
2018 Yamaha YZ125
2019 Yamaha YZ125
2020 Yamaha YZ125
2020 Yamaha YZ125X
2021 Yamaha YZ125
2021 Yamaha YZ125X
2022 Yamaha YZ125
2022 Yamaha YZ125X
2023 Yamaha YZ125
2023 Yamaha YZ125X
2024 Yamaha YZ125
2024 Yamaha YZ125X
2025 Yamaha YZ125
2025 Yamaha YZ125X
2026 Yamaha YZ125
2026 Yamaha YZ125X