Power, Precision & Performance
PROX RACING PARTS
Discover top-tier racing components with PROX.
Built to endure, engineered to win.
| Size | Stock | Date |
|---|---|---|
| A - Ø53.94MM | Estimated shipping on | 2026-07-15 |
| B - Ø53.95MM | Estimated shipping on | 2026-07-15 |
| C - Ø53.96MM | Estimated shipping on | 2026-07-15 |
The ProX piston is designed for 2-stroke Yamaha YZ 125 engines manufactured from 2002 to 2004, offering a direct replacement for the original equipment. Developed for motocross and enduro, it delivers reliability, consistent performance, and a precise fit within the cylinder.
Manufactured from heat-resistant aluminum alloy with precision finishing to ensure smooth operation. Supplied with rings, piston pin, and clips, in line with 2T specifications—pin bearing not included.
Stock Status Indicators:
🟢 Green – Item is in stock and available for immediate delivery.
🟡 Yellow – Item is in stock at the supplier. Please check the estimated shipping date.
🔴 Red – Item is out of stock.
Discover top-tier racing components with PROX.
Built to endure, engineered to win.
