PISTON KIT 08-15 KTM300 72mm, WOSSNER 8250DA FORGED 55630107000, 55630107100

This Wossner Piston Kit features a 72.00mm bore and is a standard replacement designed for select KTM and Husqvarna 300cc 2-stroke models. Forged in Germany, the piston delivers enhanced strength and thermal performance. Its elliptical design promotes uniform load distribution and superior resistance to piston collapse, making it suitable for demanding off-road use.

Features

• Forged design enhances durability and thermal resistance

• Elliptical profile reduces localised pressure and evenly distributes thrust loads

• Optimised for efficient combustion chamber heat transfer

• Manufactured in Germany

Specifications

• Bore: 72.00 mm

• Measured Bore: 71.94 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.A.WO

• Piston Kit Model: 8250DA (STD)

Cross-Reference OEM Part Numbers

• 55630107000

• 09104895

• 858M07200

• 55630107100

Vehicle Fitments

• KTM EXC 300 2008–

• KTM MXC 300 2008–

• Husqvarna WR300 2009–2013

• Husqvarna TE300 2014–