This educational cutaway model represents a complete 4-stroke petrol (gasoline) engine equipped with a MONOJETRONIC electronic injection system. It features a manually operated crank handle to simulate mechanical rotation and includes an ignition simulation system, where a lightbulb illuminates during the combustion phase to indicate fuel mixture ignition. The unit is precisely sectioned and painted to highlight internal components, including combustion chambers, valves, pistons, crankshaft, lubrication channels, cooling system, and fuel pathways.