PISTON KIT 2022 - 2023 YZ 125, WOSSNER 8331DA
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Wossner 8331DA Piston Kit. 54.00mm bore, 53.95mm piston size. Standard compression height 28.00mm, stroke 54.5mm. Forged pistons superior in strength and design, engineered for optimal combustion chamber heat transfer. Elliptically designed for uniform bearing surface under piston heat expansion, distributing thrust loads evenly to prevent piston collapse. Made in Germany. Includes ring set 2 x RSB5400, clips CW15, and pin WP032. Part number 56-W899.A.WO.
- SKU
- 56-W899.A.WO.
- Brand
- Wossner
- Availability
- In Stock (2)
Fitments (13)
| Make | Model | Year |
|---|---|---|
| FANTIC | XE 125 | 2023 |
| FANTIC | XE 125 | 2024 |
| FANTIC | XX 125 | 2022 |
| FANTIC | XX 125 | 2023 |
| FANTIC | XX 125 | 2024 |
| FANTIC | XX 125 | 2025 |
| YAMAHA | YZ 125 | 2022 |
| YAMAHA | YZ 125 | 2023 |
| YAMAHA | YZ 125 | 2024 |
| YAMAHA | YZ 125 | 2025 |
| YAMAHA | YZ 125X | 2023 |
| YAMAHA | YZ 125X | 2024 |
| YAMAHA | YZ 125X | 2025 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- Variant Id
- 314421
FULL DESCRIPTION
Wossner 8331DA Piston Kit - 54.00mm Bore
Upgrade your engine performance with the Wossner 8331DA Piston Kit. This high-quality piston kit is precision engineered for optimal power and durability.
Key Features:
- Superior Forged Design: Wossner forged pistons offer exceptional strength and advanced design for enhanced engine performance.
- Efficient Heat Transfer: Engineered to facilitate the best possible transfer of combustion chamber heat to the cylinder walls, promoting cooler engine operation.
- Elliptical Design: The elliptical piston shape ensures a more uniform bearing surface even under extreme heat expansion. This design eliminates localized pressure, distributes thrust loads evenly, and prevents piston collapse for sustained performance.
- Precision Dimensions: Features a 54.00mm bore, 53.95mm A Grade piston size, 28.00mm compression height, and is designed for a 54.5mm stroke.
- Made in Germany: Crafted with German engineering and manufacturing excellence for reliable quality.
- Included Components: Comes complete with Ring Set (2 x RSB5400), Clips (CW15), and Pin (WP032).
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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.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
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