125cc Piston Kit Gr I (Size A)KTM SX/EXC Husqvarna TC - 50530007000 I

This is a complete 125cc piston kit designed for high-performance 2-stroke engines. It includes the piston, wrist pin, and circlips for a full assembly replacement. Ideal for maintaining optimal compression and engine efficiency in motocross and enduro bikes.

Fits KTM 125 SX, SX US, XC, XC-W, EXC models from 2000-2026, plus Husqvarna TC 125, TE 125, TX 125, and GASGAS MC 125, EC 125 from 2014-2026. Also compatible with select 200 EXC and supermoto variants in earlier years. Direct OEM replacement for crankshaft-piston assemblies.

CNC-machined from durable aluminum with dual ring grooves for reliable sealing. Black anodized finish resists wear and corrosion during aggressive riding. Includes all necessary components for straightforward rebuilds.

Professional installation recommended; ensure cylinder honing and proper ring gap during assembly. Use high-quality 2-stroke oil for break-in.

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