SOME CUSTOMERS MAY COMPLAIN THAT THE FUEL TANK IS DIFFICULT TO FILL UP. THIS CONCERN MAY BE CAUSED BY IMPROPER OPERATION OF THE NON-RETURN VALVE IN THE FUEL TANK (TEMPORARILY STUCK OPEN). THE PRODUCTION PROCESS OF THE FUEL TANK HAS BEEN IMPROVED TO ELIMINATE THIS CONCERN.
SOME CUSTOMERS MAY COMPLAIN THAT THE FUEL TANK IS DIFFICULT TO FILL UP. THIS CONCERN MAY BE CAUSED BY IMPROPER OPERATION OF THE NON-RETURN VALVE IN THE FUEL TANK (TEMPORARILY STUCK OPEN). THE PRODUCTION PROCESS OF THE FUEL TANK HAS BEEN IMPROVED TO ELIMINATE THIS CONCERN.