PISTON KIT 82-83 YZ80 47.00, FORGED WOSSNER 8185DA 3R1-11630-02-00
Wossner 47mm Bore Piston Kit (PN# 8185DA) is a forged piston designed for 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 include a 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: Bore: 47mm, Actual diameter: 46.95mm, Display (cm³): 79, Stroke (mm): 55.50, Clearance (mm): 0.05, Compression Ratio: OEM, OEM Compression Ratio: 11.10:1, Dome Volume (cm³): -0.20, Compression Height (mm): 22.80. Cross-Reference OEM Part Numbers: Lock: CW12, Pin: WP091, Ring Set: RSB4700, OEM Part Number: 3R1-11630-02-00.
- SKU
- 56-W477+000.WO
- Brand
- Wossner
- Availability
- Out of Stock
FULL DESCRIPTION
Wossner 47mm Forged Piston Kit
This Wossner forged piston kit, part number 8185DA, is engineered for optimal performance and durability. Crafted in Germany, it features a high-strength forged construction that ensures longevity and efficient heat transfer for superior combustion. The innovative elliptical design provides a consistent bearing surface even under extreme operating temperatures, effectively reducing localized pressure and distributing thrust loads evenly to prevent piston collapse.
Designed to meet OEM compression standards, this piston kit offers a precise fit and reliable operation.
Key Features:
- High-strength forged construction for enhanced durability.
- Efficient heat transfer for improved combustion performance.
- Elliptical design to prevent piston collapse and ensure uniform load distribution.
- Manufactured in Germany to exacting standards.
- Meets OEM compression ratios.
Specifications:
- Bore: 47.00mm
- Actual Diameter: 46.95mm
- Display (cm³): 79
- Stroke (mm): 55.50
- 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: CW12
- Pin: WP091
- Ring Set: RSB4700


