PISTON KIT 80-82 YZ IT465 87.0, WOSSNER 8265D200 YAMAHA
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This Wossner piston kit features an 87mm bore size (86.92mm actual) and is designed for Yamaha YZ465 (1981-1982) and IT465 (1980-1981) models. Made in Germany, this forged piston offers superior strength and efficient heat transfer. Its elliptical profile helps distribute thrust loads evenly during heat expansion, reducing localised pressure and minimising the risk of piston collapse. Features include forged construction for increased structural strength, an elliptical design that distributes loads evenly during thermal expansion, and effective heat transfer from the combustion chamber to the cylinder walls. Manufactured in Germany. Specifications: Bore Size: 87mm (86.92mm), Display: 465 cm³, Stroke: 82.00 mm, Clearance: 0.08 mm, Compression Height: 40.00 mm, Compression Ratio: 2-stroke (Wossner and OEM). Cross-Reference OEM Part Numbers: Piston Kit: 8265D200, Lock: CW18, Pin: WP042, Ring Set: RSC8700 x2, Part No.: 56-W551_2.00.WO.
- SKU
- 56-W551_2.00.WO
- Brand
- Wossner
- Availability
- In Stock (1)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 87mm
- Variant Id
- 256756
FULL DESCRIPTION
Wossner 87mm Piston Kit for Yamaha YZ & IT465
This Wossner piston kit is engineered for high-performance applications, featuring a forged construction for superior strength and durability. The 87mm bore size (actual 86.92mm) and elliptical design contribute to efficient operation and longevity. Manufactured in Germany, this piston kit is built to exacting standards.
Key Features:
- Forged construction for enhanced structural integrity.
- Elliptical piston profile helps to evenly distribute thrust loads during thermal expansion, reducing localized pressure and preventing piston collapse.
- Designed for effective heat transfer from the combustion chamber to the cylinder walls.
- Premium quality manufacturing from Germany.
Specifications:
- Bore Size: 87.00mm (86.92mm)
- Piston Displacement: 465 cm³
- Stroke: 82.00 mm
- Piston Clearance: 0.08 mm
- Compression Height: 40.00 mm
- Compression Ratio: 2-stroke (Compatible with Wossner and OEM specifications)
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