WOSSNER 100mm HC PISTON KIT KTM 505 SX-F 2007-2009

Wossner forged piston kit with a 100.02mm bore, designed for KTM SX-F 505 models from 2007 to 2008. Engineered for superior strength and heat transfer efficiency, the piston features an elliptical design to enhance bearing surface uniformity, reducing localized pressure and preventing collapse under heat expansion. Manufactured in Germany for high performance and durability.

Features

• Forged construction for increased strength and durability
• Optimized heat transfer for efficient combustion
• Elliptical design for uniform bearing surface and even thrust load distribution
• Manufactured in Germany

Specifications

• Bore Size: 100.02mm
• Clearance: 0.05mm
• Compression Ratio (Wossner): 13.50:1
• OEM Compression Ratio: 12.50:1
• Dome Volume: +0.30 cm³
• Compression Height: 21.80mm
• Displacement: 449 cm³
• Stroke: 60.80mm

Cross-Reference OEM Part Numbers

• Wossner Part No.: 8725DC
• Lock Part No.: CW20
• Pin Part No.: WP038
• Ring Set Part No.: 1000ADS-2

Vehicle Fitments

• KTM SX-F 505 (2007-2008)