Where are the timing marks on a 1991 Mazda 323?

On a 1991 Mazda 323, the timing marks are located on the crankshaft pulley and the timing cover. You will find a notch or mark on the crankshaft pulley, which aligns with a corresponding mark on the timing cover for proper timing alignment. Additionally, reference marks may be present on the camshaft gear for setting the cam timing. Always refer to the vehicle's service manual for precise details and specifications.