Wiseco Forged Piston Kit for Yamaha YZ250F 2005-2007 & WR250F 2005-2013
Standard Bore: 77.00mm
Compression Ratio: 12.5:1
Wiseco Part Number: 4882M07700

Fits:
Yamaha YZ250F (2005, 2006, 2007)
Yamaha WR250F (2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013)

Specifications:
Displacement: 250cc
Bore - Standard: 77.00mm
Stroke: 53.60mm
Compression Ratio: 12.5:1

Kit Includes:
Piston: 4882M07700
Rings: 7700XU
Wrist Pin: S742
Wrist Pin Clips: CW16
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