Wossner forged piston kit with an 88.50mm bore size (88.40mm actual), designed for Suzuki RM500 models from 1982 to 1985. Engineered for optimal combustion chamber heat transfer, these pistons feature an elliptical design to ensure uniform bearing surface contact, reducing localized pressure and evenly distributing thrust loads. Manufactured in Germany for durability and precision.

Features

• Forged construction for superior strength and reliability


• Designed for efficient heat transfer to cylinder walls


• Elliptical shape prevents localized pressure and piston collapse


• Includes piston, lock (CW18), pin (WP042), and ring set (RSC8850)

Specifications

• Displacement: 500 cm³


• Bore: 88.50mm (actual 88.40mm)


• Stroke: 80.00mm


• Clearance: 0.10mm


• Wossner Compression Ratio: 2-stroke


• OEM Compression Ratio: 2-stroke


• Compression Height: 41.50mm

Cross-Reference OEM Part Numbers

• 12110-14221

Vehicle Fitments

• 1982 Suzuki RM500


• 1983 Suzuki RM500


• 1984 Suzuki RM500


• 1985 Suzuki RM500