Posted in Business & Finance, Engineering, Information Technology YMBS stands for Yamaha Marine Business System (boats) YMBS stands for You Must Be Stopped YMBS stands for You Might Be Stupid YMBS Share Pinterest Tweet Whatsapp Post navigation YMCYMBNH Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.