Motorcycle universal reverse gear device

The utility model relates to a universal reverse gear device for motorcycles, comprising a main shaft, a clutch, main teeth, a positioning cover and a casing. The tail part of the clutch is fixed with a clutch connecting plate and is assembled with a clutch top plate through balls; a spring is sheathed outside the main shaft, one end of the spring is movably connected with the clutch through balls and the pressing plate, and moving space is kept between the clutch and a positioning cover. A wedged push shaft which is arranged at the top end of the Reverse gear device is abutted on a movable top rod which can rotate around one end, and the movable top rod is abutted on the clutch top plate. The reverse gear device which belongs to a first level Reverse gear has the advantages of flexible and convenient reverse gear, compact structure, small size, safety and convenience; not any device on an existing vehicle requires to be changed. The utility model can be universal for motorcycles with two and three wheels.