A four-stroke spark ignition engine is an Otto cycle engine.

Direct injection technology increases the torque and power of spark ignition engines and makes them 15 percent more economical.

In a spark ignition engine the air and fuel are mixed together before entering the cylinder.

Is it a spark ignition engine or a compression ignition engine?

There has been a 10 percent increase in the customs duty on the components of spark ignition engines and compression ignition engines.

In a spark ignition engine, when compression alone is not sufficient to ignite the fuel/air mixture, one hasto provide an electrical spark to ignite the mixture.