Yamaha Drive Sprocket 11 Tooth 93811-11004-00. Overview. The Yamaha Drive Sprocket 11 Tooth 93811-11004-00 is a genuine original equipment manufacturer component designed to deliver precise and efficient power transfer within your engine or drivetrain system. Featuring an 11-tooth configuration, this sprocket ensures proper chain engagement and smooth rotational movement, helping maintain accurate timing and consistent performance.. Built to Yamaha's exact engineering standards, this sprocket pr