Wossner forged high-compression piston kit with a 77.02mm bore (76.98mm) for Suzuki RM-Z250 (2004-2006). Designed for superior strength and heat transfer efficiency, this piston ensures optimal combustion performance. The elliptical design distributes thrust loads evenly, reducing localized pressure and preventing piston collapse. Manufactured in Germany.

Features

• High-compression forged piston for increased performance


• Optimized heat transfer for improved efficiency


• Elliptical design ensures uniform bearing surface under heat expansion


• Even thrust load distribution to prevent piston collapse


• Manufactured in Germany

Specifications

• Bore Size: 77.02mm (76.98mm)


• Compression Ratio: 13.5:1


• Part Number: 8661DC


• Lock Part Number: CW16


• Pin Part Number: WP059


• Ring Set Part Number: 770XAS-2


• Rod Part Number: P4002


• Displacement: 249 cm³


• Stroke: 53.60mm


• Clearance: 0.04mm


• Wossner Compression Ratio: 13.2:1


• OEM Compression Ratio: 12.6:1


• Dome Volume: -4.00 cm³


• Compression Height: 19.60mm

Vehicle Fitments

• Suzuki RM-Z250 (2004-2006)