Wossner Piston Kit Aprilia RS125 a, Forged Wossner Kit 8027da

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Wossner forged piston kit designed for superior strength and performance in 2-stroke engines. Engineered for optimal heat transfer from the combustion chamber to cylinder walls. Th e elliptical design ensures uniform bearing surface under heat expansion, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany. Features Forged construction for enhanced durability Optimized heat transfer for improved performance Elliptical design prevents localized pressure and piston collapse Designed for 2-stroke applications Specifications Bore: 53.95 mm Piston Size: 54.00 mm Displacement: 125 cm³ Stroke: 54.50 mm Clearance: 0.05 mm Wossner Compression Ratio: 2-stroke OEM Compression Ratio: 2-stroke Compression Height: 29.00 mm Cross-Reference OEM Part Numbers Rings (2x): RSB5400 Clips: CW15 Pin: WP032 Vehicle Fitments Aprilia AF1 Futura (1985) Aprilia AF1 Replica (1985) Aprilia Caponord Rally (1985) Aprilia Europe Base (1985) Aprilia Mini RX (1985) Aprilia Pegaso Base (1985) Aprilia Red Rose Base (1985) Aprilia RS 125 (1985) Aprilia Syntesi Base (1985) Aprilia Tuareg 250 (1985) Aprilia AF1 Base (1986) Show more