Sitanggang, Dikha FriasiAlfirman, Alfirman2019-08-152019-08-152019-08-15wahyu sari yenihttps://repository.unri.ac.id/handle/123456789/9813The development of the automatic injection motorcycle industry in Indonesia has experienced significant development. With the many users of automatic injection motorcycles make problems that is not all users of automatic injection motorcycles have the ability to know the damage and solutions to repair the damage. So that is needs to create a expert system to detect the damage to automatic injection motorcycle using forward chaining method based on web. The system created, designed using UML diagrams, makes the system using the PHP programming language and MariaDB database. The results of this research are expert systems for detecting damage to automatic injection motorcycles using forward chaining method based on web, which can be used to help people determine the damage and solutions to motorcycle injectionenAutomatic MotorcycleExpert SystemArticle