PISTON KIT YZ 250F 2019 76.96 A, WOSSNER 8957DA, B7B-11631-00-00
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PISTON KIT YZ 250F 2019 76.96 A, WOSSNER 8957DA, B7B-11631-00-00 is available to order. Please contact us to confirm availability and lead time.
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Description
Description
The Wossner Forged Piston Kit (8957DA) with a standard 77mm bore is designed for the Yamaha YZ250F (2019). Engineered in Germany, this high-performance forged piston delivers strength, efficient heat transfer, and consistent load distribution. Its elliptical design minimises localised stress and helps prevent piston collapse under high-performance conditions.
Features
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Forged construction for enhanced strength and durability
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Designed for optimal combustion heat transfer to cylinder walls
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Elliptical skirt profile ensures even thrust load distribution
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Manufactured in Germany
Specifications
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Piston Size: 77mm (STD)
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Kit Part Number: 56-W8812.A.WO
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Wossner Part Number: 8957DA
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Piston Type: Forged
Cross-Reference OEM Part Numbers
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B7B-11631-00-00
Vehicle Fitments
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Yamaha YZ250F (2019)
