PISTON KIT SX-F450 KTM HC 97, FORGED WOSSNER 8715DA 77330007500

Wossner forged piston kit with a 97.00mm bore and 96.96mm diameter, designed for KTM SX-F450 models. This high-compression piston (13.50:1) enhances performance and durability. Manufactured in Germany, it ensures optimal heat transfer to cylinder walls. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse.

Features

• Forged construction for superior strength
• High-compression ratio for increased performance
• Optimized heat transfer for efficient combustion
• Elliptical design for uniform load distribution
• Manufactured in Germany

Specifications

• Bore: 97.00mm
• Diameter: 96.96mm
• Display (cm³): 449
• Stroke (mm): 68.80
• Clearance (mm): 0.04
• Wossner Compression Ratio: 13.50:1
• OEM Compression Ratio: 12.50:1
• Dome Volume (cm³): +1.10
• Compression Height (mm): 21.30

Cross-Reference OEM Part Numbers

• Wossner Piston KTM SX-F450 (PN# 8715DA)
• Lock P/N: CW19
• Pin P/N: WP071
• Ring Set P/N: 970ADS-2
• Connecting Rod Kit P/N: P4017
• OEM References: 77330007500, 4938M09700

Vehicle Fitments

• KTM SX-F450 (2007-2012)