This Wossner piston kit with a 56.19mm bore (+2.00mm oversize) is engineered for KTM 125cc two-stroke models from 1994 to 2000. Precision-forged in Germany, it provides enhanced strength and optimal heat dissipation for high-performance applications.

Features

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  Forged piston construction for maximum strength and engine reliability

  
  


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  Designed for optimal heat transfer from combustion chamber to cylinder walls

  
  


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  Elliptical design ensures uniform bearing surface during heat expansion to prevent localised stress and piston collapse

  
  


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  Manufactured in Germany for precision and quality

  
  

Specifications

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  Bore size: 56.19 mm

  
  


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  Actual piston size: 56.19 mm

  
  


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  Display (cm³): 125

  
  


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  Stroke (mm): 54.10

  
  


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  Clearance (mm): 0.06

  
  


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  Compression ratio: 2-stroke (Wossner and OEM)

  
  


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  Compression height (mm): 28.00

  
  

Cross-Reference OEM Part Numbers

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  Not specified

  
  

Vehicle Fitments

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  1994 KTM 125 EGS

  
  


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  1994 KTM 125 GS

  
  


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  1994 KTM 125 SX

  
  


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  1994 KTM EXC 125

  
  


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  1995 KTM 125 EGS

  
  


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  1995 KTM 125 GS

  
  


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  1995 KTM 125 SX

  
  


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  1995 KTM EXC 125

  
  


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  1996 KTM 125 EGS

  
  


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  1996 KTM 125 GS

  
  


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  1996 KTM 125 SX

  
  


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  1996 KTM EXC 125

  
  


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  1997 KTM 125 EGS

  
  


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  1997 KTM 125 GS

  
  


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  1997 KTM 125 SX

  
  


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  1997 KTM EXC 125

  
  


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  1998 KTM SX125

  
  


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  1998 KTM EXC125

  
  


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  1999 KTM SX125

  
  


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  1999 KTM EXC125

  
  


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  2000 KTM SX125

  
  


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  2000 KTM EXC125

  
  

Included Components

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  Piston: Wossner PN# 8029D200

  
  


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  Lock: PN# CW15

  
  


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  Pin: PN# WP032

  
  


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  Ring Set: PN# RSB5625

  
  


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  Rod: PN# P2056