Prayagraj Engineer Develops Indigenous Bike Engine, Claims 170 KM+ Mileage per Litre

CalenderPublished at December 30, 2025| By Mukul Kirad
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Prayagraj Engineer Develops Indigenous Bike Engine, Claims 170 KM+ Mileage per Litre

At a time when rising fuel prices and growing pollution are major concerns in India, an inspiring innovation has emerged from Prayagraj. Shailendra Gaur, a local engineer and former student of Allahabad University, claims to have developed an indigenous six-stroke bike engine that can deliver an impressive mileage of around 170 to 176 kilometres on just one litre of fuel. If proven and adopted widely, this technology could reshape how people look at fuel efficiency in India.

Result of Nearly Two Decades of Hard Work

This is not an overnight success story. Gaur has invested around 18 to 20 years in pursuing his dream. He apparently has less infrastructure at his disposal and is said to have made a makeshift lab out of a rented house, to which he even sold his personal belongings to fund it.

What Makes the Six-Stroke Engine Different

Unlike conventional four-stroke engines used in most bikes today, this engine works on six-stroke technology. According to Gaur, the additional strokes help extract more energy from the fuel. While regular engines use only about 30 percent of fuel energy, his engine claims to use nearly 70 percent, leading to better mileage and less heat loss.

Multi-Fuel Use and Lower Emissions

One of the key highlights of this engine is its ability to run on multiple fuels. Apart from petrol, it is designed to support CNG, ethanol, and other alternative fuels. In addition, Gaur claims that the engine produces far lower emissions, including reduced carbon monoxide levels. The exhaust system also remains cooler compared to standard engines, which helps reduce overall heat and pollution.

Live Demonstration and Real-World Testing

The media reported that Shailendra Gaur showed the modified bike to the world through a live appearance on a television program. When put to a real-life test, the bike gave a mileage of around 120 kilometers per liter of petrol. However, mileage of around 176 kilometers per liter was achievable. It must be noted that the test was conducted on an old bike and not a new one.

Patents Secured, Support Still Needed

The Government of India has granted two patents for this technology. However, Gaur believes that support from the government and automobile manufacturers is still essential. With proper funding and testing, this engine could be used in bikes, cars, buses, trucks, and even marine engines.

A Strong Example of Indian Innovation

Shailendra Gaur’s story is an example of the power of ingenuity. Though the six-stroke engine is still at the prototype level, it symbolizes the self-reliance that the nation wants to ensure and the capability of indigenously developed technology to solve many practical problems.

Before you go, don’t forget to check out the recently launched Kawasaki Ninja 1100SX bike.

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