## Complete Piston 39.00/13/17.20 50cc 139FMB 50 4T AC This high-quality complete piston is the perfect solution for your 4T 50cc scooter with a 139FMB engine. Designed with precision, it guarantees optimal performance and reliability. ### Technical Parameters: * Piston diameter: 39.00mm * Pin diameter: 13mm * Distance from pin axis to piston edge: 17.20mm * Total piston height: 36.2mm * Crown height: 1.5mm * Cylinder capacity: 50cm³ ### Why choose this piston? This piston guarantees trouble-free engine operation. Precise manufacturing and high-quality materials ensure long life and resistance to wear. It perfectly fits 139FMB engines, ensuring optimal performance of your scooter. Trust proven quality and enjoy a smooth and dynamic ride.