Upgrade the top end of your Honda ATV with the Cylinder Works 10005-K01 Standard Bore Cylinder Kit. Designed for select 2006–2009 and 2012–2014 Honda TRX450ER Electric Start models, along with 2006–2008 Honda TRX450R models, this complete kit includes the cylinder, piston kit, and required gaskets for a reliable engine rebuild. The kit uses a standard bore configuration with a 12.0:1 compression ratio and is matched with a Vertex piston to support consistent performance, extended service life, and reduced engine noise.
The Cylinder Works replacement cylinder is finished with nickel silicon carbide plating to promote durability, heat transfer, and long-term wear resistance. Its stock-style appearance helps maintain an original-equipment look while providing dependable aftermarket performance. No machine work is required for installation when used with compatible components, helping simplify the rebuilding process.
Fitment: Fits 2006–2009 and 2012–2014 Honda TRX450ER Electric Start models, and 2006–2008 Honda TRX450R models. Verify the year, model, bore configuration, and compression requirements before ordering. The top-end gasket kit does not include valve stem seals. Replacement pistons, gaskets, and ring sets are available separately for future service needs.
Features:
- Complete standard bore cylinder kit for compatible Honda TRX450R and TRX450ER models
- Includes cylinder, Vertex piston kit, and gaskets
- Standard bore configuration with a 12.0:1 compression ratio
- Nickel silicon carbide plated cylinder promotes durability and longer service life
- Stock-style cylinder appearance
- Matched Vertex piston supports performance, longevity, and reduced engine noise
- No machine work required when installed with compatible components
- Replacement piston, gasket, and ring sets are available
- Top-end gasket kit does not include valve stem seals
- Manufacturer: Cylinder Works
- Vendor Part Number: 10005-K01
Fitment:
2006 Honda TRX450ER Electric Start
2006 Honda TRX450R
2007 Honda TRX450ER Electric Start
2007 Honda TRX450R
2008 Honda TRX450ER Electric Start
2008 Honda TRX450R
2009 Honda TRX450ER Electric Start
2009 Honda TRX450R
2010 Honda TRX450ER Electric Start
2011 Honda TRX450ER Electric Start
2012 Honda TRX450ER Electric Start
2012 Honda TRX450R
2013 Honda TRX450ER Electric Start
2013 Honda TRX450R
2014 Honda TRX450ER Electric Start
2014 Honda TRX450R