PISTON KIT KTM505SX-F-HC 100, WOSSNER 8725DC 08-09
Wossner forged piston kit with a 100.02mm bore. This piston features an elliptical design for uniform bearing surface and even thrust load distribution, reducing localized pressure and preventing collapse under heat expansion. Manufactured in Germany for high performance and durability. Specifications include a bore size of 100.02mm, 0.05mm clearance, a compression ratio of 13.50:1 (Wossner) or 12.50:1 (OEM), +0.30 cm³ dome volume, 21.80mm compression height, 449 cm³ displacement, and 60.80mm stroke. Wossner part number is 8725DC.
- SKU
- 56-W315+00C.WO
- Brand
- Wossner
- Availability
- In Stock (2)
FULL DESCRIPTION
Wossner Forged Piston Kit - 100.02mm Bore
Upgrade your KTM performance with this Wossner forged piston kit, engineered for superior strength and efficiency. This high-performance piston is designed with precision to enhance your engine's power and reliability. Manufactured in Germany, Wossner pistons are renowned for their quality and durability.
Key Features:
- Forged Construction: Provides exceptional strength and resistance to extreme pressures and temperatures compared to cast pistons.
- Optimized Heat Transfer: Designed for efficient heat dissipation, leading to more consistent combustion and extended engine life.
- Elliptical Piston Design: Features an elliptical profile that ensures a uniform bearing surface. This reduces localized pressure on the piston skirt and prevents collapse due to heat expansion, promoting smoother operation.
- Precision Engineering: Manufactured to exacting standards in Germany for optimal fit and performance.
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
Included Components:
- Wossner Piston: Part No. 8725DC
- Lock Ring: Part No. CW20
- Piston Pin: Part No. WP038
- Ring Set: Part No. 1000ADS-2


