TECNIUM Cast Piston (Manufacturer Ref: 503594) — a 2T piston designed for small displacement cross bikes and intensive use. The cast version uses a well-balanced aluminum-silicon alloy, engineered to maintain mechanical integrity under the demands encountered in competition and training.

• Brand: TECNIUM
• Type: Cast piston, 2T
• Diameter (bore): Ø 40.00 mm
• Compression: Standard
• Material: Aluminum (silicon alloy)

This piston is aimed at PW 50 riders and 50 cc machines looking for a robust replacement part for the original. Its design allows for a precise fit in the cylinder (check piston/cylinder clearance and ring installation before use). Note: follow the manufacturer's recommendations for the pin, ring, and adhesive if necessary during reassembly.

Main compatibility: YAMAHA PW 50 (2024, 2025, 2026). Before purchasing, verify the references and bore of your cylinder to ensure proper installation. Tecnium provides a simple and reliable solution to restore the heart of the engine and get back on the track.