VERTEX piston KTM SX 50 ’09-’21

Vertex Piston 23429 KTM SX 50 (2009–2021)

• For KTM SX 50 models (2009 – 2021).
• Piston diameter: 39.46 mm (A and B size variants).
• Compatible with Husqvarna TC 50 (2017 – 2023) and GasGas MC 50 (2021–2023).
• The kit includes a piston, rings, a piston pin and retainers.
• Some kits may also include a top end gasket set and a pin bearing.
• Several size ranges (A, B, C, D) are available for exact cylinder fitment.
• Suitable for engines with a displacement of 50 cm³.

Suitability notes

• The cylinder diameter is usually around 39.50 mm.
• The size ranges allow for adjustment for cylinder wear (e.g. sizes C and D are slightly larger – around 39.47 mm).
• Always check the condition of the cylinder before selecting the appropriate piston size.