PISTON KIT 08-15 KTM300 72mm, WOSSNER 8250DB FORGED

This Wossner Piston Kit with a 72.01mm bore (+0.01 oversize) is designed for KTM and Husqvarna 300cc 2-stroke engines. Manufactured in Germany, it features a forged construction optimised for durability and high-performance conditions. The elliptical design ensures uniform bearing surface contact under heat expansion, minimising localised stress and improving overall reliability.

Features

• Forged construction for superior strength and longevity

• Engineered for efficient heat transfer from the combustion chamber

• Elliptical design distributes thrust loads evenly to prevent piston collapse

• Manufactured in Germany

Specifications

• Bore: 72.01 mm

• Measured Bore: 71.95 mm

• Clearance: 0.06 mm

• Compression Ratio: 2-stroke

• OEM Compression Ratio: 2-stroke

• Compression Height: 38.00 mm

• Display: 297 cm³

• Hub Stroke: 72.00 mm

• Part No.: 56-W854.B.WO

• Piston Kit Model: 8250DB (+0.01)

Vehicle Fitments

• KTM EXC 300 2008–2015

• KTM MXC 300 2008–2014

• Husqvarna WR300 2009–2013

• Husqvarna TE300 2014–