the air filter condition, engine temperature, battery voltage and oil level. Later 200cc version was discontinued and fuel injection system of 220 was replaced with carburetor which resulted in cost reduction to Rs 73000 ex showroom Delhi 2009 Bajaj released the UG IV (fourth upgrade) versions of the Pulsar 150 and Pulsar 180 in April 2009. The upgrades for the Pulsar 150 included an all-black theme, tank scoops similar to those on the Pulsar 200, a 3D Pulsar logo, and a changed electrical system (full DC). Power also increased from 13.5 HP to 14.09 HP (at 8,500 rpm). Electrical enhancements like auto head light switch-off after few seconds of turning the engine off to protect the battery, self-cancelling turn signals, icon illumination (horn icon, indicator icon, engine cut off icon, etc.), side stand warning light, dual digital trip meter, low fuel warning light (which also flashes when the engine and Auto Choke System in 220 Variant. The Pulsar 180 received upgrades like wider tyres, split seat, tank scoops, clip-on handlebars, 3D Pulsar logo, swing arm suspension borrowed from Pulsar 200, and thicker forks. The power was increased to 17 PS. Bajaj launched a carbureted version of Pulsar 220 in June 2009, tagging it as "the fastest bike in India". It also discontinued the production of Pulsar 200 in July 2009. Bajaj also introduced a new Light Sports version of Pulsar named as Pulsar 135LS. It is the first bike in India to contain 4-valve DTS-i technology. It consists 4 smaller valves rather than 2 standard bigger valves, styling also is changed and looks become more aggressive. The bike is ARAI certified for 68.5 km/L and weights only 122 kg. 2010 Bajaj released the UG 4.5 versions of the Pulsar 150. The upgrades for the Pulsar 150 included clip-on handlebars like those in Pulsar 135LS. Power also increased from 14.09 HP to 15.06 HP (at 9,000 rpm). The model badge was redesigned and did not feature 'DTS-i' as in the previous models. A naked version of Pulsar 220 is also launched, named as Pulsar 220S (Street Fighter) which retains everything from Pulsar 220 except the front fairing. Front fairing is similar to Pulsar 180/150. The former Pulsar 220 was renamed as Pulsar 220F. 2011 Bajaj released newer color schemes for the Pulsar 135LS, 150, 180 and 220F. 2012 2012 marked the entry of Bajaj's latest design, the Pulsar 200NS (NS standing