Complete Kipphebelbrücke incl. Shafts and valve adjustment for cylinder heads of China 4-stroke 139QMB / QMA 50cc engines. To change the full bridge makes a lot more sense than this repaired again particulate matter. The greater presence of a defect significantly more components are affected by Crea than seen at first glance. In addition, it reduces assembly costs considerably. ATTENTION: It may happen that the tappet length is not sufficient to gain access to the valves. In this case, the piston locknuts to be implemented under the lever. This is due to the different warheads and can occur in different vehicles.