This paper deals with the revival of 2-stroke petrol engine using direct fuel injection system (DI). The introduction of DI to the engine allows proper mixture of fuel and air, giving complete control of combustion and emissions. As a result of which power output and efficiency increases. Direct fuel injection (DI) has been used before to lower the emissions, but when running at low speed things change and problem of the scavenging and the emission goes up. But still by the direct injection of fuel to the combustion chamber proper fuel-air mixture is obtained and power is increased. Another significant advantage of using direct fuel injection is that it is economical too as it provides a correct estimation of the quantity of fuel required at proper time and providing control over combustion