PISTON KIT 77-81 RM PE250 69.0, FORGED WOSSNER 8194D200
Wossner 69mm Bore Piston Kit (PN# 8194D200). This forged piston ensures high strength, efficient heat transfer, and durability. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Manufactured in Germany, this piston meets OEM compression standards. Features high-strength forged piston for durability and performance, optimized heat transfer for efficient combustion, and an elliptical design that prevents piston collapse and ensures even load distribution. Specifications include a bore of 69mm, actual diameter of 68.94mm, displacement of 398 cm³, stroke of 55.50mm, clearance of 0.05mm, OEM compression ratio of 11.10:1, dome volume of -0.20 cm³, and compression height of 22.80mm. Cross-reference OEM part numbers include lock CW18, pin WP033, and ring set RSB6900 x 2.
- SKU
- 56-W474+P8.WO
- Brand
- Wossner
- Availability
- In Stock (2)
FULL DESCRIPTION
Wossner Forged Piston Kit - 69mm Bore
Enhance the performance and durability of your motorcycle with the Wossner 69mm Bore Piston Kit. Engineered for high strength and efficient heat transfer, this forged piston is designed to withstand demanding conditions. Its innovative elliptical design ensures a uniform bearing surface, even under extreme heat expansion, which effectively reduces localized pressure and evenly distributes thrust loads to prevent piston collapse.
Key Features:
- High-strength forged construction for superior durability and performance.
- Optimized heat transfer for efficient combustion and engine reliability.
- Elliptical piston design for uniform load distribution and prevention of piston collapse.
- Manufactured in Germany to rigorous quality standards.
- Meets Original Equipment Manufacturer (OEM) compression standards.
Specifications:
- Bore Size: 69mm
- Actual Piston Diameter: 68.94mm
- Displacement (cm³): 398
- Stroke (mm): 55.50
- Piston Clearance (mm): 0.05
- Compression Ratio: OEM
- OEM Compression Ratio: 11.10:1
- Dome Volume (cm³): -0.20
- Compression Height (mm): 22.80
Component Details:
- Lock Ring: CW18
- Piston Pin: WP033
- Ring Set: RSB6900 (x2)
