DTSI- Digital Twin Spark Ignition: Two spark plugs used on engines for better fuel efficiency and reduce emissions.

DTS-SI: Digital Twin Spark - Swirl Induction: 

Invented and improved by Bajaj R&D to have a rapid combustion of air fuel mixture by swirling motion during suction and compression stroke. This swirl provides turbulence effect achieved by offset port design of intake port. So fast and improved combustion efficiency with reduced emission is achieved.

In short its second stage for spark igniting to increase efficiency and asure proper and timed spark

On 4/26/2019 at 8:58 AM, Vijayakumar G said:

DTSI- Digital Twin Spark Ignition: Two spark plugs used on engines for better fuel efficiency and reduce emissions.

 

DTS-SI: Digital Twin Spark - Swirl Induction: 

Invented and improved by Bajaj R&D to have a rapid combustion of air fuel mixture by swirling motion during suction and compression stroke. This swirl provides turbulence effect achieved by offset port design of intake port. So fast and improved combustion efficiency with reduced emission is achieved.

Also, the timing of when a spark should be given is controlled by an Electrical Control Unit (ECU).