Cylinder Works Big Bore Cylinder Kit +3mm 480cc for Yamaha WR450F 2007-2015

Features:

• OEM in appearance
• Increases horsepower and engine displacement
• Includes a hand matched, forged Vertex big bore piston made from the highest quality 2618 aluminum alloy for superior strength and durability
• Includes top end gasket kit that includes all gaskets and o-rings needed for a top end rebuild

Specifications:

• Uses Vertex Piston #23404
• Compression Ratio12.5:1
• Cylinder Diameter 98 mm
• Cylinder Kit Type Big Bore
• Displacement 480 cc
• Engine Type 4-Cycle
• Includes Cylinder, Piston Kit, and Top-End Gasket Kit
• Size Over Standard - 3.00mm
• Specifications taken from the All Balls Racing Group website.

Bike Fitment:

• fits Yamaha WR450F 2007
• fits Yamaha WR450F 2008
• fits Yamaha WR450F 2009
• fits Yamaha WR450F 2010
• fits Yamaha WR450F 2011
• fits Yamaha WR450F 2012
• fits Yamaha WR450F 2013
• fits Yamaha WR450F 2014
• fits Yamaha WR450F 2015