PISTON KIT 13-16 SXF250 78mm B, WOSSNER 8874DB HC KTM
Wossner forged high-compression piston kit with 78.01mm bore size (77.97mm actual) and 249 cm³ displacement. This kit features a two-ring design with an elliptical profile for balanced thrust load and optimal thermal performance. Manufactured in Germany, it includes a high-compression dome and is built for demanding engine conditions. Specifications include a 52.30 mm stroke, 0.04 mm clearance, 19.50 mm compression height, dome volume of -1.20 cm³, lock part number CW16, pin part number WP070, and ring set part number RIK78.00. Wossner compression ratio is 14.50:1, OEM compression ratio is 13.90:1.
- SKU
- 56-W954.B.WO.HC
- Brand
- Wossner
- Availability
- In Stock (3)
FULL DESCRIPTION
Wossner 78mm High Compression Piston Kit
This Wossner forged high-compression piston kit is engineered for enhanced performance in demanding engine conditions. Manufactured in Germany, it features a precisely machined bore size of 78.01mm (actual 77.97mm), offering a +0.01mm oversize option. The advanced two-ring design and elliptical profile work in synergy to ensure balanced thrust load distribution and optimal thermal performance, contributing to efficient combustion and power delivery.
Key Features
- Forged high-compression piston with a two-ring configuration for durability.
- Elliptical piston design promotes balanced pressure distribution, especially under thermal expansion.
- Optimized for efficient transfer of combustion heat to cylinder walls.
- Precision manufactured in Germany for superior quality and reliability.
Specifications
- Bore Size: 78.01mm (actual 77.97mm)
- Displacement: 249 cm³
- Stroke: 52.30 mm
- Clearance: 0.04 mm
- Compression Ratio (Wossner): 14.50:1
- Compression Ratio (OEM): 13.90:1
- Dome Volume: -1.20 cm³
- Compression Height: 19.50 mm
- Lock Part Number: CW16
- Pin Part Number: WP070
- Ring Set Part Number: RIK78.00
