that ball dosent go on the kickshaft spline it goes inside the pivot on the actual kick arm assembly,the through bolt goes through that spline groove,you dont have to dissemble the assembly to remove it.,if you sort of activate the clutch lever it helps pop the cover off,itll be bound by those hollow dowells fairly firm,use a plastic pry tool between the cases,clean the shaft well and they dont hang up in the hole,old crud binds it up,good job on the video.