The cylinder bore and stroke was . Both used a cylinder bore and stroke of . Cylinder dimensions are now bore and stroke of . Downsizing was made by using a narrower cylinder bore. Undercutting means chamfering the bottom edge of tone holes inside the bore. Displacement is with a bore and stroke of . This engine had a displacement with a bore and stroke of . It had an undersquare bore and stroke. Some early rifled firearms had barrels with a twisted polygonal bore. It was the with a bore and stroke. It has a square bore and stroke. Displacement is from a bore and stroke of . The bore and stroke are and respectively. The has a bore and stroke of . As King, he bore the royal arms.