PISTON KIT 11-12 TM250F FI 77, FORGED WOSSNER 8839DA
Wossner 8839DA forged piston kit with a 77mm bore (76.96mm). This standard size piston is engineered to provide superior strength and design, facilitating optimal combustion chamber heat transfer to cylinder walls. Its elliptical design ensures a uniform bearing surface under heat expansion, distributing thrust loads evenly and preventing piston collapse. Made in Germany. Includes lock pin CW16, pin WP059, and ring set 770XAS-2. Display 250 cm3, stroke 53.60 mm, clearance 0.04 mm. Dome volume -2.10 cm3, compression height 22.20 mm. Theoretical weight 280g.
- SKU
- 56-W4958.A.WO
- Brand
- Wossner
- Availability
- In Stock (2)
FULL DESCRIPTION
Wossner 77mm Forged Piston Kit
Upgrade your engine's performance with this high-quality Wossner forged piston kit. Designed for optimal strength and heat transfer, this kit is engineered to enhance combustion efficiency and ensure smooth engine operation.
Key Features:
- Forged construction for superior strength and durability.
- Engineered for efficient combustion chamber heat transfer to cylinder walls.
- Elliptical design promotes uniform bearing surface under heat expansion, preventing piston collapse and distributing thrust loads evenly.
- Made in Germany to exacting standards.
- Includes lock, pin, and ring set.
Specifications:
- Bore Size: 77mm (Standard Size A)
- Actual Bore: 76.96mm
- Dome Volume: -2.10 cm³
- Compression Height: 22.20mm
- Piston Clearance: 0.04mm
- Theoretical Weight: 280g


