Under revocable campaign got models such as the CBR300R 2018, 2019 CB300R, 2018 CRF250L, CRF250L Rally in 2018, CMX300 2018/2019. That they discovered the problem of main shaft transmission, but rather in one of the retaining rings, which can him out.
There is a high probability that the defect will lead to uncontrolled shifting, or to the fact that the box is jammed.
All owners of the above motorcycles are advised to contact the service centers Honda to check. In case of detection of problems will be repaired, traditionally free for motovational. All costs takes over the manufacturer.