The Cylinder Works CW20011 Standard 54 mm Cylinder is designed as a direct-fit replacement for the original cylinder on select 2005–2014 Yamaha YZ125 models. It maintains a stock-style appearance while providing a dependable solution for restoring engine performance during a top-end rebuild or cylinder replacement.
Manufactured by Cylinder Works, this cylinder features a nickel silicon carbide-plated bore engineered for extended service life and consistent wear resistance. The standard 54 mm sizing supports stock-type engine configurations and is intended for use with compatible Yamaha YZ125 top-end components. Confirm piston, gasket, and related component compatibility before installation.
Fitment includes 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, and 2014 Yamaha YZ125 motorcycles. The Cylinder Works CW20011 is supplied as a cylinder-only component, making it suitable for professional technicians and experienced powersports enthusiasts completing an engine rebuild. Follow Yamaha service procedures and proper break-in recommendations for installation and operation.
Features:
- Stock-style appearance: Cylinder design looks like the original Yamaha component for an OEM-style replacement.
- Nickel silicon carbide plating: Durable bore plating helps promote longer service life and reliable wear resistance.
- Standard 54 mm sizing: Designed for stock-type engine configurations and compatible top-end components.
- Direct-fit application: Fits 2005–2014 Yamaha YZ125 models.
- Cylinder only: Supplied as the replacement cylinder without additional top-end components.
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 YZ125X