Wossner Piston Kit - 76.96 mm - Yamaha [8559DA]

Wossner Piston Kit - 76.96 mm - Yamaha [8559DA]

Manufacturer Part Number: 8559DA

Parts Unlimited Part Number: 09104925

Product Type: Piston & Ring Kits

Piston Kit - 76.96 mm - Yamaha

Details

• Product Name: Piston Kit
• Riding Style: Off-Road
• Bore - Oversize: Standard
• Piston Material: Forged
• Stroke Length: 53.60 mm
• Style: Standard Size A
• Units: Kit
• Piston Size: 76.96 mm
• Bore Size: 77.00 mm
• Model: Premium Series
• Compression Ratio: 12.5:1
• Engine Type: 4-Stroke
• Piston Material: Aluminum Alloy
• Enhanced piston pin oiling slots, radial boss machining, and annular grooves for improved wrist pin lubrication
• Lightweight piston with a tight piston wall clearance for a quieter running engine
• Skirt coated for reduced friction and improved break in performance
• Ring land treatment for improved ring seal and oil control
• Double bridged forging design where noted
• Kit includes piston, rings, wrist pin and pin locks

Verified Fitment

• 2004 Yamaha WR250F
• 2006 Yamaha WR250F
• 2012 Yamaha WR250F
• 2013 Yamaha WR250F
• 2007 Yamaha WR250F
• 2005 Yamaha WR250F
• 2009 Yamaha WR250F
• 2002 Yamaha WR250F
• 2001 Yamaha WR250F
• 2008 Yamaha WR250F
• 2003 Yamaha WR250F
• 2010 Yamaha WR250F
• 2011 Yamaha WR250F
• 2003 Yamaha YZ250F
• 2004 Yamaha YZ250F
• 2002 Yamaha YZ250F
• 2001 Yamaha YZ250F