The engine is the heart of your machine, It is a complex component built to withstand a heavy workload, therefore the engine must be a robust structure. It consists of two basic parts: The lower heavier section which is called the cylinder block, a casing for the engine’s main moving parts. The block includes the crankshaft that converts the reciprocating motion of the pistons into rotary motion as well as the camshaft which operates mechanisms that open and close the valves, the upper lighter section is a detachable part called the cylinder head.