PISTON KIT 80-82 YZ IT465 85.0, WOSSNER 8265DA YAMAHA KIT
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Wossner 85mm piston kit with a 465 cm³ displacement and 82.00 mm stroke. Features include forged construction for enhanced durability, elliptical shape for uniform bearing surface under expansion, and efficient heat transfer from the combustion chamber to cylinder walls. Manufactured in Germany. Specifications: Bore Size 85mm (84.92mm), Stroke 82.00 mm, Clearance 0.08 mm, Compression Height 40.00 mm, Compression Ratio 2-stroke. Includes Piston Kit 8265DA, Lock CW18, Pin WP042, and 2x Ring Set RSC8500. Part No.: 56-W551.A.WO. Weight 544g.
- SKU
- 56-W551.A.WO
- Brand
- Wossner
- Availability
- In Stock (1)
Fitments (4)
| Make | Model | Year |
|---|---|---|
| YAMAHA | IT 465 | 1981 |
| YAMAHA | IT 465 | 1982 |
| YAMAHA | YZ 465 | 1980 |
| YAMAHA | YZ 465 | 1981 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 85mm
- Variant Id
- 256752
FULL DESCRIPTION
Wossner 85mm Piston Kit for Yamaha YZ465 and IT465
This Wossner piston kit is meticulously engineered to enhance the performance and durability of your Yamaha YZ465 (1981-1982) and IT465 (1980-1981) motorcycles. Featuring a precise 85mm bore size (84.92mm actual), this kit is forged in Germany to meet the highest standards of quality and reliability.
The innovative elliptical design of the piston ensures even load distribution, even under extreme operating temperatures. This intelligent design minimizes localized stress and prevents piston collapse, leading to a longer lifespan and consistent performance.
Key Features:
- Forged Construction: Provides superior strength and durability for demanding riding conditions.
- Elliptical Design: Guarantees a uniform bearing surface during thermal expansion, reducing wear and stress.
- Efficient Heat Transfer: Engineered to optimize heat transfer from the combustion chamber to the cylinder walls, promoting stable engine temperatures.
- German Engineering: Manufactured with precision and expertise in Germany, ensuring top-tier quality.
Specifications:
- Bore Size: 85mm (84.92mm)
- Display: 465 cm³
- Stroke: 82.00 mm
- Clearance: 0.08 mm
- Compression Height: 40.00 mm
- Compression Ratio: 2-stroke (Compatible with Wossner and OEM specifications)
Included Components:
- Piston Kit (Part Number: 8265DA)
- Lock Ring (CW18)
- Piston Pin (WP042)
- Ring Sets (RSC8500 x2)
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