The 150 cc two-stroke Bajaj auto rickshaw engine is a proven performer on Indian roads. It is cheap and its spare parts area easily available. Its drawbacks of low power and high polluting level can be eliminated suggested modifications like the tuned exhaust system, introduction of fuel-injection, five-port cylinder block, etc. These will not only boost its power performance, but will also cut down its emission levels. Hence we conclude that if implemented this total package will be the best available and most suitable power plant for a micro car.