The Cylinder Works 50002-K01 Cylinder Kit is a complete standard-bore top-end solution for select KTM 250 four-stroke motorcycles. Designed for dependable engine rebuilding and replacement, this kit includes the cylinder, matched piston kit, and required gaskets. The 76.00 mm standard-bore piston is engineered with a 12.8:1 compression ratio to support strong performance while maintaining reliable operation.
Each Cylinder Works kit is matched with a Vertex piston to promote longevity, consistent performance, and reduced engine noise. The cylinder features a nickel silicon carbide plating process that provides a durable bore surface, supports extended service life, and helps maintain consistent piston performance. Its stock-style appearance makes it a practical replacement for the original cylinder.
Feature: Complete standard-bore cylinder kit
Feature: Includes cylinder, piston kit, and gaskets
Feature: 76.00 mm standard-bore piston with 12.8:1 compression ratio
Feature: Matched Vertex piston for durability, performance, and reduced engine noise
Feature: Nickel silicon carbide-plated cylinder for extended service life
Feature: Stock-style cylinder appearance
Feature: No machining required for installation in applicable applications
Feature: Replacement pistons, gaskets, and ring sets are available separately
Feature: Top-end gasket kit does not include valve stem seals
The Cylinder Works 50002-K01 fits 2005-2012 KTM 250 SX-F models and 2006-2007 KTM 250 XCF-W models. This kit is intended for standard-bore replacement applications and should be verified against the motorcycle model year and engine configuration before installation. Manufacturer part number: 50002-K01. Vendor part number: 422-50002K.
Features:
- Complete standard-bore cylinder kit
- Includes cylinder, piston kit, and gaskets
- 76.00 mm standard-bore piston with 12.8:1 compression ratio
- Matched Vertex piston for durability, performance, and reduced engine noise
- Nickel silicon carbide-plated cylinder for extended service life
- Stock-style cylinder appearance
- No machining required for applicable installations
- Replacement pistons, gaskets, and ring sets are available separately
- Top-end gasket kit does not include valve stem seals
- Fits 2005-2012 KTM 250 SX-F and 2006-2007 KTM 250 XCF-W models
Fitment:
2005 KTM 250 SX-F
2006 KTM 250 SX-F
2006 KTM 250 XCF-W
2007 KTM 250 SX-F
2007 KTM 250 XC-F
2007 KTM 250 XCF-W
2008 KTM 250 SX-F
2008 KTM 250 XC-F
2008 KTM 250 XCF-W
2009 KTM 250 SX-F
2009 KTM 250 XC-F
2009 KTM 250 XCF-W
2010 KTM 250 SX-F
2010 KTM 250 XC-F
2010 KTM 250 XCF-W
2011 KTM 250 SX-F
2011 KTM 250 XC-F
2011 KTM 250 XCF-W
2012 KTM 250 SX-F
2012 KTM 250 XC-F
2012 KTM 250 XCF-W
2013 KTM 250 XCF-W