Reverse gear box Output shaft for 250cc go kart ROKETA KANDI SUNL XINLING BMS August 23, 2023 admin Build a REVERSE GEARBOX V4Reverse gear box, like BAJA, ROKETA, Kandi, KAZUMA. 19 splines on both side and total 200mm, For rear right side wheel drive. Reverse gear box Output shaft for 250cc go kart ROKETA KANDI SUNL XINLING BMS.