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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 features a 63.50mm bore size (63.95mm actual) and is a standard fitment for KTM 175 GS and MC models from 1977 to 1982. Manufactured in Germany, the piston is designed for two-stroke engines, providing enhanced durability and thermal efficiency. Its elliptical profile ensures even load distribution, reducing the risk of piston collapse under expansion.
Features
Forged piston designed for two-stroke performance applications
Elliptical shape ensures even thrust load distribution under thermal stress
Engineered for efficient heat transfer from combustion chamber to cylinder walls
Manufactured in Germany
Specifications
Bore Size: 63.50mm (actual 63.95mm)
Stroke: 54.00 mm
Clearance: 0.06 mm
Compression Ratio (Wossner): 2-stroke
Compression Ratio (OEM): 12-stroke (as listed)
Compression Height: 37.00 mm
Lock Part Number: CW15
Pin Part Number: WP011
Ring Set Part Number: RSB6350
Cross-Reference OEM Part Numbers
56-W967.00A.WO
Vehicle Fitments
KTM 175 GS (1977–1982)
KTM 175 MC (1977–1982)