Manufacturer reference: 8171DA — WÖSSNER forged piston, designed for the Cross universe. Manufactured in Germany by Wössner, a specialist in high-performance engine parts for 2 and 4-stroke engines, this piston provides a robust and precise solution for engine rebuilds or preparations.
- Type: forged aluminium piston
- Bore diameter: 66.40 mm
- Piston diameter: Ø 66.340 mm (oversize letter: A)
- Number of rings: 2 (supplied with rings, circlips, and pin)
- Finish: anti-friction treated skirt
Designed to withstand the revs and stresses specific to off-road use, this forged piston offers precision machining and a treated skirt to limit wear and improve piston stability. Supplied complete with the necessary mounting elements (rings, circlips, pin), it facilitates the reassembly of the top-end after disassembly.
Notable compatibilities: HONDA CR 250 R (ME03) — models 2005, 2006, and 2007 (250 cm3). Ideal for motocross riders looking for a reliable replacement part that meets factory specifications in oversize version A.