1965 Evinrude SportFour Heavy Duty 60 HP Outboards Service Manual, 4204, Page 40Get this manual
DESCRIPTION The power head consists of the cylinders, pistons, connecting rods, crankshaft, and crankcaseThe power head has two banks of horizontally-mounted cylinders in "V" formation 90 apartThe firing order is combined so that each cylinder delivers one power impulse per Grankshaft revolution, thus giving one power impulse at every 90 degrees of crankshaft rotationSee Figure 5-1STARBOARD SIDE CYLINDER