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2Bros MCS LTD Company number 16176735 - Vat No. GB 508324506 - info@2bros-mx.com - Tel: 03301333748
This Wossner forged piston kit has a 65.00mm bore (actual 64.94mm) and serves as a +1.50mm oversize replacement for KTM 175 GS and MC models from 1977 to 1982. Engineered specifically for two-stroke engines, it features a high-strength design that promotes effective heat transfer and structural durability. The elliptical profile ensures uniform pressure distribution, minimising the risk of piston collapse during operation.
Features
Forged construction ensures superior durability and thermal conductivity
Elliptical shape for even thrust load distribution under expansion
Designed for high-performance two-stroke applications
Specifications
Bore Size: 65.00mm (actual 64.94mm)
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: RSB6500
Cross-Reference OEM Part Numbers
56-W967.150.WO
Vehicle Fitments
KTM 175 GS (1977–1982)
KTM 175 MC (1977–1982)