PISTON KIT 16-18 YZ 250F 77.00 A HIGH COMP., WOSSNER 8946DA, 1SM-11631-10-00
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Wossner high-compression forged piston kit with 77.00mm bore (76.95mm actual size) and a 14.4:1 compression ratio. Forged for enhanced strength with an elliptical design for uniform thermal expansion. Made in Germany. OEM cross-reference 1SM-11631-10-00.
- SKU
- 56-W4966.A.WO.HC
- Brand
- Wossner
- Availability
- In Stock (2)
Fitments (15)
| Make | Model | Year |
|---|---|---|
| YAMAHA | WR 250F | 2018 |
| YAMAHA | WR 250F | 2019 |
| YAMAHA | WRF 250 | 2018 |
| YAMAHA | WRF 250 | 2019 |
| YAMAHA | YZ 250F | 2016 |
| YAMAHA | YZ 250F | 2017 |
| YAMAHA | YZ 250F | 2018 |
| YAMAHA | YZ 250FX | 2017 |
| YAMAHA | YZ 250FX | 2018 |
| YAMAHA | YZ 250FX | 2019 |
| YAMAHA | YZF 250 | 2016 |
| YAMAHA | YZF 250 | 2017 |
| YAMAHA | YZF 250 | 2018 |
| YAMAHA | YZF X 250 | 2017 |
| YAMAHA | YZF X 250 | 2018 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 77mm
- Variant Id
- 289908
FULL DESCRIPTION
Wossner High Compression Forged Piston Kit
Upgrade your engine's performance with this high-compression forged piston kit from Wossner. Engineered for durability and superior thermal efficiency, this piston is designed to manage heat effectively and expand uniformly under extreme pressure. Its innovative elliptical structure is crafted to minimize localized stress, preventing piston collapse and ensuring reliable operation.
Key Features:
- Forged Construction: Provides enhanced strength and resilience for demanding applications.
- Elliptical Design: Promotes uniform thermal expansion, reducing stress and improving longevity.
- High Compression Ratio: Delivers a significant boost in engine power and responsiveness.
- Precision Manufacturing: Made in Germany to exacting standards for optimal fit and performance.
Specifications:
- Bore Size: 77.00mm (actual size 76.95mm)
- Compression Ratio: 14.4:1
OEM Cross-Reference:
- 1SM-11631-10-00
QUESTIONS? JUST ASK
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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.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. 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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