Stay in the loop
2Bros MCS LTD Company number 16176735 - Vat No. GB 508324506 - info@2bros-mx.com - Tel: 03301333748
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)