The Athena S4C04450001A Cast Lite Piston Kit is designed for Kawasaki KX65 two-stroke motorcycles requiring a reliable standard-size replacement piston. This kit features a 44.45 mm piston diameter and a 14.2:1 compression ratio, making it a suitable choice for restoring top-end performance while maintaining compatibility with the original engine configuration. The cast piston design is engineered for dependable service in motocross applications.
Each Athena piston kit is developed to work with the corresponding factory cylinder and includes the components needed for a complete piston replacement. The kit is intended for 2002–2009, 2011, and 2012 Kawasaki KX65 models. Verify cylinder condition, piston-to-cylinder clearance, and application details before installation to ensure proper fit and engine performance. Athena manufacturer part number S4C04450001A and vendor part number 68-4889A identify this specific kit.
For applications requiring a complete top-end upgrade, Athena cylinder kits include a nickel-carbide-coated cylinder ported to factory specifications, special hard-anodized exhaust valves, a complete piston kit, and a top-end gasket set. Applicable cylinder kits also include an aluminum cylinder head with a removable brass dome, supporting higher-compression configurations and anti-detonation performance. This piston kit is supplied for the listed Kawasaki KX65 fitment and should be installed according to the motorcycle manufacturer’s service procedures.
Features:
- Size: 44.45 mm standard piston diameter
- Model: Cast Lite piston kit with a 14.2:1 compression ratio
- Brand: Athena
- Manufacturer Part Number: S4C04450001A
- Vendor Part Number: 68-4889A
- Fitment: Fits 2002–2009, 2011, and 2012 Kawasaki KX65 models
- Cylinder Kit Compatibility: Designed for use with Athena cylinder kits featuring nickel-carbide-coated cylinders, factory-specification porting, hard-anodized exhaust valves, a complete piston kit, and a top-end gasket set
- Cylinder Head Compatibility: Applicable Athena cylinder kits include an aluminum cylinder head with a removable brass dome for higher-compression and anti-detonation configurations
Fitment:
2002 Kawasaki KX65
2003 Kawasaki KX65
2004 Kawasaki KX65
2005 Kawasaki KX65
2006 Kawasaki KX65
2007 Kawasaki KX65
2008 Kawasaki KX65
2009 Kawasaki KX65
2010 Kawasaki KX65
2011 Kawasaki KX65
2012 Kawasaki KX65
2013 Kawasaki KX65
2014 Kawasaki KX65
2015 Kawasaki KX65
2016 Kawasaki KX65
2017 Kawasaki KX65
2018 Kawasaki KX65
2019 Kawasaki KX65
2020 Kawasaki KX65
2021 Kawasaki KX65
2022 Kawasaki KX65
2023 Kawasaki KX65
2024 Kawasaki KX65