The Cylinder Works CW50012K01 Standard Bore Cylinder Kit is a complete top-end solution for select KTM 50 SX and 50 SX Mini models. Designed to restore dependable engine performance, this kit includes a stock-style cylinder, matched Vertex piston kit, piston rings, and required top-end gaskets. The standard-bore configuration is engineered for direct replacement without machine work, helping simplify installation and reduce downtime.
The cylinder features a durable nickel-silicon-carbide plated bore for extended service life, consistent performance, and improved wear resistance. Cylinder Works matches the included piston to the cylinder to support longevity, performance, and reduced engine noise. The cylinder maintains a stock-like appearance while providing a practical replacement for worn or damaged original equipment components.
This Cylinder Works kit fits 2009–2016 KTM 50 SX models and 2009–2010 KTM 50 SX Mini models. The included top-end gasket kit does not include valve stem seals. Replacement pistons, gaskets, and ring sets are available separately for future service requirements. Verify model year and engine application before ordering to ensure proper fitment.
Features:
- Complete standard-bore cylinder kit
- Includes cylinder, matched Vertex piston kit, piston rings, and gaskets
- Nickel-silicon-carbide plated cylinder bore for extended service life
- Stock-style cylinder appearance
- No machine work required for installation
- Matched piston and cylinder help support longevity, performance, and reduced engine noise
- Top-end gasket kit does not include valve stem seals
- Replacement pistons, gaskets, and ring sets are available
- Fits 2009–2016 KTM 50 SX and 2009–2010 KTM 50 SX Mini models
- Brand: Cylinder Works
- Manufacturer part number: CW50012K01
- Vendor part number: 422-50012K
Fitment:
2009 KTM 50 SX
2009 KTM 50 SX Mini
2009 KTM 50 SX Pro Jr LC
2010 KTM 50 SX
2010 KTM 50 SX Mini
2011 KTM 50 SX
2011 KTM 50 SX Mini
2011 KTM 50 SXS
2012 KTM 50 SX
2012 KTM 50 SX Mini
2012 KTM 50 SXS
2013 KTM 50 SX
2013 KTM 50 SX Mini
2013 KTM 50 SXS
2014 KTM 50 SX
2014 KTM 50 SX Mini
2014 KTM 50 SXS
2015 KTM 50 SX
2015 KTM 50 SX Mini
2016 KTM 50 SX
2016 KTM 50 SX Mini
2017 Husqvarna TC 50
2017 KTM 50 SX
2017 KTM 50 SX Mini
2018 Husqvarna TC 50
2018 KTM 50 SX
2018 KTM 50 SX Mini
2019 Husqvarna TC 50
2019 KTM 50 SX
2019 KTM 50 SX Mini
2020 Husqvarna TC 50
2020 KTM 50 SX
2020 KTM 50 SX Mini
2021 Gas-Gas MC 50
2021 Husqvarna TC 250
2021 Husqvarna TC 50
2021 KTM 50 SX
2021 KTM 50 SX Mini
2022 Gas-Gas MC 50
2022 Husqvarna TC 50
2022 KTM 50 SX
2022 KTM 50 SX Mini
2023 Gas-Gas MC 50
2023 Husqvarna TC 50
2023 Husqvarna TC 50 Mini
2023 KTM 50 SX
2023 KTM 50 SX Mini