PISTON KIT KTM 175GS 65.50, WOSSNER 8292D200 KTM GS 77-82

This Wossner forged piston kit features a 65.50mm bore (actual 65.44mm) and is a +2.00mm oversize replacement designed for KTM 175 GS and MC models produced from 1977 to 1982. Developed for two-stroke engines, it combines strength, precision, and advanced thermal properties. The elliptical geometry improves pressure distribution during thermal expansion, enhancing reliability under performance conditions.

Features

• Forged piston ensures structural integrity and optimal heat dissipation

• Elliptical profile minimises localised pressure and enhances load distribution

• Precision-manufactured in Germany for two-stroke engine applications

Specifications

• Bore Size: 65.50mm (actual 65.44mm)

• Stroke: 54.00 mm

• Clearance: 0.06 mm

• Compression Ratio (Wossner): 2-stroke

• Compression Ratio (OEM): 12-stroke

• Compression Height: 37.00 mm

• Lock Part Number: CW15

• Pin Part Number: WP011

• Ring Set Part Number: RSB6550

Cross-Reference OEM Part Numbers

• 56-W967.200.WO

Vehicle Fitments

• KTM 175 GS (1977–1982)

• KTM 175 MC (1977–1982)