PISTON KIT 03-09 RM250 66.40 C, WOSSNER 8086DC 2-RING SUZUKI

This Wossner forged piston kit is designed for the Suzuki RM250 models from 2003 to 2012. With a bore size of 66.42mm and a piston diameter of 66.36mm, this +0.02 oversize piston offers high strength, consistent thermal performance, and durability under extreme two-stroke engine conditions.

Features

• Forged piston construction enhances strength and longevity

• Optimised design promotes efficient heat transfer from combustion chamber to cylinder wall

• Elliptical piston shape provides uniform bearing surface during heat expansion, minimising localised stress and reducing collapse risk

• Manufactured in Germany to ensure high precision and consistent quality

Specifications

• Bore Size: 66.42 mm

• Piston Diameter: 66.36 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: 8086DC

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

• Lock: CW18

• Pin: WP033

• Ring Set: RSB6640 x2

• Rod: P2025

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