There is an after market kit for lighting coil, remember that this type bike is used by beginners and up skill levels, YOu usally dont ride at night, the CRF 250/CRF 450 dont have a light either, but the CRF 250/450x´s due as well as XR400/XR500/XR600 series,. and an enduro model. Disc brakes, well They should now adays. wait until they use up all teh old drums. Good question even teh 100´s shoudl have a front disc brake, woudl you pay the differance in price.