Athena Yamaha YZ 250 2003-2017 Cylinder Kit 293cc C8 72 Big Bore P400485100042

Athena Big Bore Cylinder Kit (P400485100038)

Bike Fitment:

• Yamaha YZ 250 2003
• Yamaha YZ 250 2004
• Yamaha YZ 250 2005
• Yamaha YZ 250 2006
• Yamaha YZ 250 2007
• Yamaha YZ 250 2008
• Yamaha YZ 250 2009
• Yamaha YZ 250 2010
• Yamaha YZ 250 2011
• Yamaha YZ 250 2012
• Yamaha YZ 250 2013
• Yamaha YZ 250 2014
• Yamaha YZ 250 2015
• Yamaha YZ 250 2016
• Yamaha YZ 250 2017

Specifications:

• Athena's Big Bore kit brings the raw power you have been missing in an easy to install, reliable package that bolts on with no machining needed in most cases, and includes easy-to-follow step-by-step installation instructions.
• Constructed from aluminium, the cylinder is lined with a nickel-carbide coating for durable, reliable performance, and the water jackets have been widened for a higher flow rate, cooling the cylinder, resulting in less power lost due to heat.
• Features a cast piston that is high performance and durable.
• Includes: Big bore cylinder, big bore piston, piston pin, piston pin rings, gasket kit, Note: to achieve optimum performance re-jet the carburetor with the available jet kits.