PISTON KIT 04-07 KTM300 72.00, WOSSNER 8219DB FORGED

This Wossner 8219DB piston kit features a 72.01mm bore, offering a +0.01mm oversize from standard, and is engineered for KTM 300cc two-stroke engines from 2004 to 2007. The forged construction ensures enhanced durability and optimal thermal performance for off-road applications.

Features

• +0.01mm oversize forged piston for improved fit in slightly worn cylinders

• Engineered for efficient heat transfer from the combustion chamber to cylinder walls

• Elliptical design for uniform bearing surface under thermal expansion

• Prevents localised pressure points and piston collapse

• Manufactured in Germany

Specifications

• Bore diameter: 72.01 mm

• Display displacement: 293 cm³

• Stroke: 72.00 mm

• Clearance: 0.06 mm

• Compression ratio: 2-stroke (Wossner and OEM specification)

• Compression height: 38.00 mm

Cross-Reference OEM Part Numbers

• Not provided for this variant

Included Components

• Piston kit part number: 56-W858.B.WO

• Rings (2x): RSB7200

• Circlip: CW18

• Wrist pin: WP033

• Gasket: D2024-EST

• Connecting rod: P2023

Vehicle Fitments

• KTM EXC 300 2004–2007

• KTM MXC 300 2004–2007

• KTM XC 300 2004–2007

• KTM XC-W 300 2004–2007