Royal Enfield has launched the Electra Twinspark with a 346cc single cylinder, 4-stroke, OHV, air cooled, Twinspark Unit Construction Engine (UCE) as the company upgrades its bikes to Bharat Stage IV emission norms which go into effect on the 1st of next month. The Electra Twinspark uses a BS29 / UCAL carburetor and boasts of 19.8 bhp of peak power at 5250 rpm and a peak torque of 28 Nm at 4000 rpm. Weighing in at 180 kgs, the Electra Twinspark is capable of hitting a top speed of 120 kmph. The bike is priced at Rs. 89,846/- for the kcik start version and Rs. 93,846/- (all prices ex-showroom, Chennai) for the electric start version.