Wossner forged piston kit designed for Maico 440 models with an 84.00mm bore. Engineered for optimal heat transfer and uniform bearing surface distribution, preventing piston collapse. Manufactured in Germany for durability and precision.

Features

• Forged construction for superior strength and durability


• Optimized heat transfer for improved engine performance


• Elliptical design ensures even pressure distribution, reducing localized stress


• Manufactured in Germany for high-quality performance

Specifications

• Bore Size: 84.00mm


• Actual Bore: 83.92mm


• Displacement: 438 cm³


• Stroke: 83.00mm


• Clearance: 0.08mm


• Compression Ratio: 2-Stroke


• Compression Height: 41.70mm


• Lock Part Number: CA18


• Pin Part Number: WP039


• Ring Set Part Number: RSC8400

Cross-Reference OEM Part Numbers

• Wossner Piston Part Number: 8099D200

Vehicle Fitments

• Maico MC 440 (1973-1981)


• Maico MD 440 (1973-1981)