In a bowl, combine the flour, sugar, baking powder and salt.
Combine the egg yolks, milk and oil; stir into dry ingredients just until moistened.
In a small mixing bowl, beat egg whites until stiff peaks form; fold into batter.
Bake in a preheated waffle iron according to manufacturer's directions.
Meanwhile, for syrup, combine sugar, corn syrup and water in a saucepan. Bring to a boil over medium heat; cook and stir for 2 minutes or until thickened. Remove from the heat; stir in the milk, vanilla and cinnamon.