PISTON KIT YAMAHA YZ 65 2018-2020, WOSSNER 8306DB, 43.50mm
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Delivery to United States 5–8 business days
Wossner forged piston kit with skirt coating. Designed for effective heat transfer from the combustion chamber to cylinder walls. Features an elliptical design for a uniform bearing surface under thermal expansion, distributing thrust loads evenly and minimising localised pressure to prevent piston collapse under high stress. Bore size 43.51mm, piston size 43.46mm, and +0.01mm oversize. Manufactured in Germany. Cross-reference OEM part numbers: Wossner 8306DB, 56-W9991.B.WO.
- SKU
- 56-W9991.B.WO
- Brand
- Wossner
- Availability
- Out of Stock
Fitments (8)
| Make | Model | Year |
|---|---|---|
| YAMAHA | YZ 65 | 2018 |
| YAMAHA | YZ 65 | 2019 |
| YAMAHA | YZ 65 | 2020 |
| YAMAHA | YZ 65 | 2021 |
| YAMAHA | YZ 65 | 2022 |
| YAMAHA | YZ 65 | 2023 |
| YAMAHA | YZ 65 | 2024 |
| YAMAHA | YZ 65 | 2025 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- Variant Id
- 288392
FULL DESCRIPTION
Wossner Piston Kit for Yamaha YZ 65
Enhance the performance and longevity of your Yamaha YZ 65 with this high-quality Wossner piston kit. Engineered in Germany, this premium forged piston is designed for demanding conditions, offering superior strength and precise engine operation.
Key Features
- Forged high-performance piston with an advanced skirt coating for reduced friction and enhanced durability.
- Optimized design for efficient heat transfer from the combustion chamber to the cylinder walls, helping to prevent overheating.
- Elliptical piston shape ensures a consistent and uniform bearing surface, even under extreme thermal expansion.
- Distributes thrust loads evenly across the cylinder wall, minimizing localized pressure points and reducing wear.
- Specifically designed to prevent piston collapse under high stress, ensuring reliable performance during competitive riding.
Specifications
- Bore Size: 43.51mm
- Piston Size: 43.46mm
- Oversize: +0.01mm
- Country of Manufacture: Germany
- Wossner Part Number: 8306DB
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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
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