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- Designed for the 2004-2009, 2012-2013 Yamaha YFZ450
- Includes Cylinder, Piston, Wristpin, Circlips, Piston Rings and Chain Tensioner Gasket
- Also includes Head and Base Gaskets
- Cylinder Bore and Stroke 95.00mm x 63.40mm
- Cylinder Displacement 449cc/Compression 11.4:1