PISTON KIT 84-86 KTM125 54.00, FORGED WOSSNER KIT 8030DB

Wossner forged piston kit with a 54.00mm bore size (53.95mm actual), designed for KTM SX 125 models from 1984 to 1986. 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 (CW15), pin (WP032), and ring set (RSB5400)

Specifications

• Displacement: 125 cm³


• Bore: 54.00mm (actual 53.95mm)


• Stroke: 54.50mm


• Clearance: 0.06mm


• Wossner Compression Ratio: 2-stroke


• OEM Compression Ratio: 2-stroke


• Compression Height: 30.00mm

Cross-Reference OEM Part Numbers

• 56-W051.B.WO (Wossner Piston KTM SX 125 54.00mm Bore, PN# 8030DB)

Vehicle Fitments

• 1984 KTM SX 125


• 1985 KTM SX 125


• 1986 KTM SX 125