Piston Kit 03-09 RM250 66.40 B, Wossner 8086DB 2-RING Suzuki

This Wossner forged piston kit is designed for the Suzuki RM250 models from 2003 to 2012. Featuring a 66.41mm bore and 66.35mm piston diameter, it is manufactured in Germany to deliver reliable performance, excellent thermal efficiency, and long service life in high-demand two-stroke engines.

Features

• Forged piston design for maximum strength and durability

• Enhanced heat dissipation from the combustion chamber to cylinder walls

• Elliptical piston profile ensures consistent bearing surface under expansion, preventing collapse

• Made in Germany for precision engineering and manufacturing quality

Specifications

• Bore Size: 66.41 mm

• Piston Diameter: 66.35 mm

• Compression Height: 38.00 mm

• Stroke: 72.00 mm

• Clearance: 0.06 mm

• Compression Ratio: 2-stroke (Wossner and OEM)

• Displacement: 249 cm³

Cross-Reference OEM Part Numbers

• Wossner Piston Kit: 8086DB

• Alternate Piston Kit Reference: 56-W823.B.WO

• Lock: CW18

• Pin: WP033

• Ring Set: RSB6640 x2

• Rod: P2025

• OEM Part Numbers: 12110-37F20-0F0, 12110-37F30-0F0, 12141-37E02, 12151-37F00, 12151-28C00, 09381-18002

Vehicle Fitments

• 2003 Suzuki RM250

• 2004 Suzuki RM250

• 2005 Suzuki RM250

• 2006 Suzuki RM250

• 2007 Suzuki RM250

• 2008 Suzuki RM250

• 2009 Suzuki RM250

• 2010 Suzuki RM250

• 2011 Suzuki RM250

• 2012 Suzuki RM250