dont do it by yourself if you dont have much experience. It is very easy to bend the valves if it's not timed right. Usually in cars the cam sprockets have dots or arrows pointing up. The ka has dots but they dont point up, they of point like 30 degrees off. So make marks on everything with a permenant marker while your doing it. Also, put the car in gear when you torque the sprockets down. you cant use the crank pully bolt to tighten them because it is only torqued to 105 ft/lbs