Engine description Model right The cylinders are counted consecutively starting from flywheel (1). 8 © 2009 1 rotating to the left: counter-clockwise. Cylinder numbering Cylinder arrangement Direction of rotation Looking onto the flywheel. Looking onto the flywheel. Engine sides left The engine number (D) is stamped onto the crank- case (arrow) and onto the rating plate. Engine serial number xxxxxxx D The rating plate (C) is fixed to the cylinder head cov- er or the crankcase. Location of the rating plate 2