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Key features

  • Targeted replacementThis Wössner piston kit supports the replacement of a piston on a 2T engine with standard compression. Check the bore and cylinder tolerances before installation.
  • Forged aluminiumPrecisely machined, the forged aluminium piston features an anti-friction treatment on the skirt to support its operation within the cylinder.
  • Cross and off-roadDesigned for 2T engines used in motocross, enduro, and trail riding. Compatible notably with KTM 125 SX 2025, Husqvarna TC 125 2024, and Gas Gas MC 125 2023.
Ref : WO00366A / 1117737001
Wossner

Wossner forged Piston kit

Recommended retail price: 133,50 €126,80 €

Compatibility

Check that this part fits your motorcycle

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Key features

  • Targeted replacementThis Wössner piston kit supports the replacement of a piston on a 2T engine with standard compression. Check the bore and cylinder tolerances before installation.
  • Forged aluminiumPrecisely machined, the forged aluminium piston features an anti-friction treatment on the skirt to support its operation within the cylinder.
  • Cross and off-roadDesigned for 2T engines used in motocross, enduro, and trail riding. Compatible notably with KTM 125 SX 2025, Husqvarna TC 125 2024, and Gas Gas MC 125 2023.

Features

Forged Piston Kit by Wossner

This forged aluminium piston kit is designed for 2-stroke engines used in motocross, enduro, and trail riding. Its standard compression and anti-friction treatment on the skirt meet the needs for precise engine replacement, provided that the bore and tolerances are checked before installation.


Design and Materials

  • The forged aluminium construction provides a replacement part designed for demanding engine use.
  • Precision machining ensures a proper fit for compatible configurations.
  • The anti-friction treatment on the skirt supports the piston’s operation within the cylinder.

Usage and Performance

  • The design for 2-stroke engines is suitable for motocross, enduro, and trail applications intended for this type of engine.
  • The standard compression is ideal for replacing a piston that maintains this level of compression.

Installation and Mounting

  • The bore diameter of 54.00 mm facilitates checking compatibility with the cylinder.
  • The piston diameter of Ø 52.950 mm helps to verify the necessary size before installation.
  • The oversize A is suitable for configurations requiring this replacement size.
  • The kit comes with ring(s), circlips, and a pin to provide the necessary components for installation.
  • The bore and tolerances of the cylinder must be checked before installation to confirm the piston’s fit.
  • Manufacturer reference 8220DA

Examples of Compatible Motorbikes

  • KTM 125 SX (2025)
  • HUSQVARNA TC 125 (2024)
  • GAS GAS MC 125 (2023)

    • Complete list of compatible motorbikes available in the dedicated section below