Dog clutch skids on the main shaft to rotate with it. All of the equipment about the layshaft is preset with it.  If the left-hand Pet clutch is introduced to skid towards the still left through the gearshift lever, it messes With all the clutch equipment, and the upper-speed gear https://gearboxauto97931.blogmazing.com/32952736/5-simple-statements-about-gearbox-auto-explained