Wossner Forged Piston kit

WÖSSNER Forged Piston – Manufacturer Ref. 8099D050

Forged piston intended for Cross applications, manufactured in Germany by Wössner. Designed from forged aluminum to meet the demands of two-stroke and four-stroke engines, it combines robustness and precision machining. The skirt features an anti-friction treatment to minimize wear during operation and ensure consistent performance in contact with the cylinder.

• Bore diameter: 82.50 mm
• Piston diameter: Ø 82.420 mm (Ø 82.42 mm)
• Oversize: 0.50 (letter 050)
• Material: Forged aluminum
• Number of rings: 1
• Delivered with ring(s), circlips, and pin

This piston is intended for modifications and replacements on Cross engines where mechanical reliability and thermal resistance are sought. Before installation, check the bore, wear dimensions, and adhere to manufacturer recommendations for piston/cylinder clearance and break-in. Compatible with several classic models, notably the MAICO 400 and MAICO 440 from 1981–1982.

Reference and quality control visible on the part: 8099D050. Replacement part intended for demanding workshops and DIY enthusiasts — for safe installation, equip yourself with the appropriate tools and torque specifications.