PISTON KIT 76-79 YZ250 70.50, WOSSNER 8179D050 YAMAHA
Wossner forged piston kit with a 70.50mm bore and 70.44mm diameter. Manufactured in Germany, this piston offers superior strength and design, ensuring optimal heat transfer to cylinder walls. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Features include forged construction for superior strength, optimized heat transfer for efficient combustion, and an elliptical design for uniform load distribution. Specifications: Bore: 70.50mm, Diameter: 70.44mm, Display (cm³): 246, Stroke (mm): 64.00, Clearance (mm): 0.06, Compression Ratio: 2-Stroke, Compression Height (mm): 33.00. Includes Wossner Piston Yamaha YZ250 (PN# 8179D050), Lock P/N: CW18, Pin P/N: WP033, and Ring Set P/N: RSB7050 x 2.
- SKU
- 56-W234+050.WO
- Brand
- Wossner
- Availability
- In Stock (5)
FULL DESCRIPTION
Wossner Forged Piston Kit 70.50mm
Enhance the performance and durability of your motorcycle with this Wossner forged piston kit. Engineered for superior strength and efficiency, this piston is manufactured in Germany to exacting standards. Its advanced design ensures optimal heat transfer to the cylinder walls, promoting efficient combustion and consistent engine operation. The unique elliptical profile guarantees a uniform bearing surface even under extreme heat expansion. This design minimizes localized pressure points, allowing for even distribution of thrust loads and effectively preventing piston collapse, ensuring reliable performance.
Key Features:
- Forged construction for exceptional strength and longevity.
- Optimized heat transfer design for improved combustion efficiency.
- Elliptical piston profile for uniform load distribution under thermal stress.
- Precision manufactured in Germany.
Specifications:
- Bore Size: 70.50mm
- Piston Diameter: 70.44mm
- Piston Clearance: 0.06mm
- Compression Height: 33.00mm
- Stroke: 64.00mm
- Displacement (cm³): 246
- Compression Type: 2-Stroke
Included Components:
- Lock Pin Part Number: CW18
- Piston Pin Part Number: WP033
- Ring Set Part Number: RSB7050 (Quantity: 2)


