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DTSi, or Digital Twin Spark Ignition System, is a technology developed and patented by Bajaj Auto Limited. It was first used in their Pulsar and Avenger models. At the time of its introduction to the market, it was considered revolutionary as it both saved fuel and improved engine performance.
In automobile engineering, achieving perfect combustion is impossible due to the losses that occur in the combustion chamber, due to the design of the internal combustion engine and because fuel does not burn instantaneously. However, the DTSi engine attempts to achieve complete combustion by making the combustion process as fast as possible.
The DTSi engine gives twice the power of a regular two-stroke engine along with a significant power boost, and it has a sizable power-to-weight ratio as compared to a few four-stroke engines. It can also adjust idling speed and even cuts off fuel feed when the throttle is released and thus controls the enrichment of the air-fuel mixture for cold starts and acceleration.
Additionally, it ensures the upper rev limit isn’t breached. At rower revs, enables over boost which is cut out when not used for overtaking, and at higher speeds, this over boosts aids in full power delivery and will be enabled as long as the throttle is open.
The DTSi engine employs two spark plugs to ignite the air-fuel mixture alternatively so as to increase the flame diameter and burn the fuel instantaneously. This process of firing the spark, coupled with the swirl caused in the air-fuel mixture results in incomplete combustion. The Digital Twin Spark Ignition system controls this process electronically.
The two spark plugs are fixed on opposite ends of the combustion chamber, creating efficient and speedy combustion. It is an electronic system with a static spark advance and no moving parts, and therefore no wear and tear occur. The system is mapped by an integrated digital electronic box that also controls valve timings and fuel injection.
It has two plugs per cylinder and has the combustion chambers, and piston heads positioned to produce a broad and fast flame front to ignite the air-fuel mixture. This technology enables lesser ignition advance and leaner mixtures and thus can provide both a lightweight and powerful engine.
The DTSi engines give you powerful bikes that are still fuel-efficient. They also decrease harmful fuel emissions and are better for the environment than regular engines. There is even an upgraded version of the technology known as DTS-SI but has the spark plugs inclined, making the combustion process more efficient with enhanced power and fuel efficiency.
Buying a bike with a DTSi engine will make not only your riding experience much better but also cost you less in service and will last longer. You can even get a two-wheeler loan to purchase a DTSi powered bike.Apply for Loan Calculate Your EMI