WOSSNER 100mm FORGED PISTON KIT B, KTM SX-F 505 07-09, SX 505 ATV 09-10

Wossner forged piston kit with a 100.01mm bore and 99.96mm diameter, designed for KTM SX-F505 models. Manufactured in Germany, this piston offers superior strength and design, ensuring 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
• Optimized heat transfer for efficient combustion
• Elliptical design for uniform load distribution
• Manufactured in Germany

Specifications

• Bore: 100.01mm
• Diameter: 99.96mm
• Display (cm³): 477
• Stroke (mm): 68.80
• Clearance (mm): 0.05
• Wossner Compression Ratio: OEM
• OEM Compression Ratio: 12.50:1
• Dome Volume (cm³): -3.00
• Compression Height (mm): 21.40

Cross-Reference OEM Part Numbers

• Wossner Piston KTM SX-F505 (PN# 8705DB)
• Lock P/N: CW20
• Pin P/N: WP038
• Ring Set P/N: 1000ADS-2
• OEM References: 776300073000, 4947M10000

Vehicle Fitments

• KTM SX-F505 (2007-2008)