PISTON KIT 01-15 KTM125, BETA RR 125 18-19 54.00, WOSSNER 8174DA EXC 50430007100

Wossner forged piston kit designed for KTM EXC125 (2001-2015) and Beta RR125 (2018-2019) models. Engineered for superior strength and optimal heat transfer, these pistons feature an elliptical design to ensure uniform bearing surface under heat expansion, reducing localized pressure and preventing piston collapse. Manufactured in Germany.

Features

• Forged piston for increased strength and durability
• Optimized heat transfer for efficient combustion chamber performance
• Elliptical design for even thrust load distribution and reduced piston collapse
• Manufactured in Germany

Specifications

• Bore Size: 54.00mm
• Actual Bore Diameter: 53.95mm
• Displacement: 125 cm³
• Stroke: 54.50mm
• Clearance: 0.05mm
• Wossner Compression Ratio: 2-stroke
• OEM Compression Ratio: 2-stroke
• Compression Height: 29.50mm
• Lock Part Number: CW15
• Pin Part Number: WP032
• Ring Set Part Number: RSV5400 x 2
• Rod Part Number: P2011

Cross-Reference OEM Part Numbers

• 50430007100
• 09104869
• 786M05400

Vehicle Fitments

• KTM EXC125 (2001-2015)
• Beta RR125 (2018-2019)