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2Bros MCS LTD Company number 16176735 - Vat No. GB 508324506 - info@2bros-mx.com - Tel: 03301333748
This Wossner piston kit with a 54.75mm bore (+0.50mm oversize) is designed for KTM 125cc two-stroke models from 1994 to 2000. Precision-forged in Germany, the piston is optimised for durability, thermal efficiency, and reliable performance in high-revving applications.
Features
Forged construction for enhanced strength and engine longevity
Engineered to optimise heat transfer from combustion chamber to cylinder wall
Elliptical shape provides even load distribution and prevents piston collapse during thermal expansion
German-manufactured for quality and precision
Specifications
Bore size: 54.75 mm
Actual piston size: 54.69 mm
Display (cm³): 125
Stroke (mm): 54.10
Clearance (mm): 0.06
Compression ratio: 2-stroke (Wossner and OEM)
Dome volume: Not specified
Compression height (mm): 28.00
Cross-Reference OEM Part Numbers
Not specified
Vehicle Fitments
1994 KTM 125 EGS
1994 KTM 125 GS
1994 KTM 125 SX
1994 KTM EXC 125
1995 KTM 125 EGS
1995 KTM 125 GS
1995 KTM 125 SX
1995 KTM EXC 125
1996 KTM 125 EGS
1996 KTM 125 GS
1996 KTM 125 SX
1996 KTM EXC 125
1997 KTM 125 EGS
1997 KTM 125 GS
1997 KTM 125 SX
1997 KTM EXC 125
1998 KTM SX125
1998 KTM EXC125
1999 KTM SX125
1999 KTM EXC125
2000 KTM SX125
2000 KTM EXC125
Included Components
Piston: Wossner PN# 8029D050
Lock: PN# CW15
Pin: PN# WP032
Ring Set: PN# RSB5475
Rod: PN# P2056