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Forged aluminum piston designed and manufactured in Germany by Wössner, a specialist in engine parts for 2 and 4-stroke applications. Intended for cross applications, this oversize "A" piston offers precise machining tolerances and a friction-treated skirt to minimize friction during startup and high RPM phases. Delivered ready to install with rings, circlips, and pin.
Designed for cross engines requiring a robust and precisely machined part, this piston is suitable for engine refurbishment or replacement during maintenance. Compatibility examples: YAMAHA YZ 426 F (2001-2002) and WR 426 F (2002) — always check the fit and bore dimensions before installation. Follow manufacturer's recommendations for installation and break-in to ensure optimal performance.