Piston Kit Gr. I (Size A) for KTM 125 SX/XC 2023-2026 - A42030007010 I

This 125cc Piston Kit Gr. I (Size A) is a comprehensive top-end rebuild solution designed to restore engine compression and performance. As an authentic OEM part, it ensures precise tolerances and high-quality materials for maximum reliability in demanding motocross and enduro conditions.

This kit is compatible with a wide range of 125cc models from 2023 to 2026. It fits KTM 125 SX, 125 XC, and 125 XC-W; Husqvarna TC 125, TC 125 Heritage, and TE 125; as well as GasGas MC 125 and EC 125 models.

The kit includes a high-performance piston, piston rings, wrist pin, circlips, and a needle bearing. It also comes with a complete top-end gasket set, featuring multiple base gaskets for precise deck height adjustment and all necessary O-rings and washers for a leak-free seal.

Regular top-end maintenance is essential for 2-stroke engines to prevent catastrophic failure and maintain peak power. We recommend following the manufacturer's torque specifications and break-in procedures during installation to ensure the longevity of your engine components.

Check compatibility list below to see if this part fits your motorcycle model.