PISTON KIT 12-13 KTM EXC500 95, WOSSNER 8821DB HUSQVARNA

This Wossner forged piston kit is a +0.01mm oversize component tailored for KTM EXC500 four-stroke engines from 2012 onward. Designed with a hard Teflon skirt coating, it ensures an ideal fit and enhanced conformability to the cylinder bore, delivering consistent performance and durability.

Features

• Forged piston for superior mechanical strength and durability

• Elliptical design provides uniform bearing surface under heat expansion

• Optimised for efficient heat dissipation to cylinder walls

• Even thrust load distribution helps prevent piston collapse

• Hard Teflon skirt coating for enhanced fit and reduced friction

Specifications

• Bore Size: 95.01mm

• Actual Piston Size: 94.96mm

• Display Displacement: 510 cm³

• Stroke: 72.00mm

• Piston Clearance: 0.05mm

• Wossner Compression Ratio: OEM

• OEM Compression Ratio: 11.80:1

• Dome Volume: -6.80 cm³

• Compression Height: 22.80mm

• Circlip Part Number: CW19

• Pin Part Number: WP071

• Ring Set Part Number: 950ADS-2

Cross-Reference OEM Part Numbers

• Part No: 56-W925.B.WO

Vehicle Fitments

• KTM EXC500 (2012– )