Product description

The Piston Kit is part of the latest collection from Wossner.

Features:

• In-house designed and manufactured; all forgings are produced in Wossner?s company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• Standard and oversize pistons for most models, with high compression ratios available for 4-stroke applications
• All piston skirts are supplied with a Moly coating to reduce friction and assist in break in
• All piston kits include piston, ring, wrist pin and pin locks
• Wossner piston kits are used by leading Supercross, Arenacross and MX GP teams

Specifications:

• Bore - Oversize: Standard
• Compression Ratio: 14.1
• Engine Type: 4-Stroke
• Piston Diameter: 76.97 mm
• Piston Material: Forged| Steel
• Piston Size: Standard Size B
• Product Name: Piston Kit
• Ring Material: Cast| Steel
• Skirt Coating: Moly Coated
• Stroke Length: 53.60 mm
• Style: Performance Replacement
• Type: Replacement Forged Piston

To fit:

• YAMAHA WR 250 F 2008 American Models
• YAMAHA WR 250 F 2008 European Models
• YAMAHA WR 250 F 2009 American Models
• YAMAHA WR 250 F 2009 European Models
• YAMAHA WR 250 F 2010 American Models
• YAMAHA WR 250 F 2010 European Models
• YAMAHA WR 250 F 2011 American Models
• YAMAHA WR 250 F 2011 European Models
• YAMAHA WR 250 F 2012 American Models
• YAMAHA WR 250 F 2012 European Models
• YAMAHA WR 250 F 2013 American Models
• YAMAHA WR 250 F 2013 European Models
• YAMAHA YZ 250 F 2008 American Models
• YAMAHA YZ 250 F 2008 European Models
• YAMAHA YZ 250 F 2009 American Models
• YAMAHA YZ 250 F 2009 European Models
• YAMAHA YZ 250 F 2010 American Models
• YAMAHA YZ 250 F 2010 European Models
• YAMAHA YZ 250 F 2011 American Models
• YAMAHA YZ 250 F 2011 European Models
• YAMAHA YZ 250 F 2012 American Models
• YAMAHA YZ 250 F 2012 European Models
• YAMAHA YZ 250 F 2013 American Models
• YAMAHA YZ 250 F 2013 European Models

Manufacturer part number: 8713DB

View all Wossner Parts. View all Parts and spares.

Contents

Your package will include the following:

• 1 X Wossner Standard Piston B Kit For Yamaha YZF250 2008-2013