PISTON KIT 13-15 SXF250 78mm C, WOSSNER 8865DC KTM
Wossner 8865DC 78mm piston kit with a 77.98mm bore and +0.02mm clearance. Engineered for superior strength and design, Wossner forged pistons provide optimal combustion chamber heat transfer to cylinder walls. The elliptical design ensures a uniform bearing surface under heat expansion, distributing thrust loads evenly and preventing piston collapse. Made in Germany. Display (cm3) 249. Hub stroke (mm) 53.60. Clearance (mm) 0.04. Wossner compression ratio: OEM. OEM compression ratio: 13.90:1. Dome volume (cm3) -2.10. Compression height (mm) 19.50. Weight (G) 226.
- SKU
- 56-W954.C.WO
- Brand
- Wossner
- Availability
- In Stock (1)
FULL DESCRIPTION
Wossner 78mm Piston Kit for KTM and Husqvarna
This Wossner piston kit features a 78.02mm bore with a 77.98mm piston, representing a +0.02mm oversize. Designed for high-performance engines, Wossner forged pistons offer superior strength and advanced design for optimal combustion and heat transfer.
Key Features:
- Forged for enhanced strength and durability.
- Engineered for efficient combustion chamber heat transfer to cylinder walls.
- Elliptical design ensures uniform bearing surface under heat expansion, preventing localized pressure and distributing thrust loads evenly to avoid piston collapse.
- Precision manufactured in Germany.
- Piston Bore: 78.02mm
- Oversize: +0.02mm
- Dome Volume: -2.10 cm3
- Compression Height: 19.50mm
- OEM Compression Ratio: 13.90:1


