PISTON 73-81 MAICO 400 78.00 FORGED WOSSNER 8047D100 KIT

Wossner 78.00mm (77.92mm) forged piston kit is designed for Maico 400 models from 1973 to 1981. Engineered for strength and precision, this piston ensures efficient heat transfer to the cylinder walls, providing uniform expansion and reducing localized pressure. The elliptical design distributes thrust loads evenly, preventing piston collapse. Manufactured in Germany, it meets high-quality standards for reliable performance.

Features

• Wossner forged piston for superior strength and durability
• Optimized heat transfer for improved combustion efficiency
• Elliptical design for uniform bearing surface and reduced localized pressure
• Precision-engineered to prevent piston collapse
• Made in Germany

Specifications

• Bore Size: 78.00mm (77.92mm)
• Oversize: +1.00mm
• Displacement: 386cc
• Stroke: 83.00mm
• Clearance: 0.08mm
• Compression Ratio: 2-stroke
• Compression Height: 41.70mm
• Lock Part Number: CW18
• Pin Part Number: WP039
• Ring Set Part Number: RSC7800
• Theoretical Weight: Not specified

Vehicle Fitments

• Maico 400 (1973-1981)

Majority of our listings are for a direct replacement for your original part.

Our parts are made of quality and are designed to meet or exceed the original OEM Standards.

Our products are often a cost effective alternative to genuine OEM Parts.

Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.