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DTS-i technology - Essay Example

Bajaj Pulsar was first introduced as a performance bike for the middle class in the form of Pulsar 150 and Pulsar 180. Over the years it has explored the 135 CC, 200 CC and 220 CC categories also. New models are introduced and the existing models are upgraded every year. The Pulsars pioneered many breakthrough technologies in India like DTSi, DTS-Fi, Exhaust-Tec, Triple Spark, LED Lamps, Wolfbane Projector lamps, NitroX Suspensions, Underbelly Exhaust, Digital Console, etc.

Plans are being made to introduce more powerful Pulsars kin the coming years. Before the introduction of the Pulsar, the Indian motorcycle market trend was towards fuel efficient, small capacity motorcycles (that formed the 80–125 cc class). Bigger motorcycles with higher capacity virtually did not exist (except for Enfield Bullet). The launch and success of Hero Honda CBZ in 1999 showed that there was demand for performance bikes. Bajaj took the cue from there on and launched the Pulsar twins in India on 24 November 2001. Since the introduction and success of Bajaj Pulsar, Indian youth began expecting high power and other features from affordable motorcycles.

The Pulsar Evolution Timeline:

2001: The original Pulsar came with a 150 cc air-cooled, single-cylinder, petrol, spark-ignited four-stroke engine which made 13 HP of maximum power. They featured a single spark plug to ignite the air-fuel mixture fed from a carburetor, simple spring shock absorbers, round headlamp dome and 1,265 mm wheelbase. Disc brakes as standard equipment was a novelty in Indian motorcycles of the early 2000s. Other standard features were parking lights and an aircraft-type fuel tank lid. The design of the motorcycle was inspired by a wide open muscular human arm. The 180 cc version made 15 HP of maximum power and came with a twin-tone horn, which was optional equipment on the 150 cc version. Electric Start (ES) was offered as standard feature in the 180 cc model and optional on the 150 cc model

2003: The second generation Pulsars featured Bajaj Auto’s newly developed DTSi technology, which increased the power rating of both versions by 1 hp (0.75 kW) each and also increased fuel economy.[17] This model also introduce a new headlamp assembly, 1,320 mm wheelbase, and standard twin-tone horn and trip meter. 2005: In 2005, Bajaj launched another upgrade of the Pulsar.

The bike was offered with 17-inch (430 mm) alloy wheels as standard option, and the stance was also lowered by about 12 mm. It was the first time any bike maker in India had offered 17-inch (430 mm) profile wheels at the rear. The fuel tank now had a capacity of only 18 litres. The power output was now further increased to 13.5 hp (10.1 kW) @ 8500 rpm for the 150 while it increased to 16.5 hp (12.3 kW) @ 8500 rpm for the 180.The rear shock absorbers were now gas-filled Nitrox absorbers.

2006: Bajaj introduced another version of Pulsar (UG III). New features included: pilot lamps separated from the main headlamp, turn indicators with clear lenses and amber bulb, self-cancelling turn indicator switch, flush LCD screen with digital read-out of key vehicle data, non-contact speed sensor, non-contact backlit switches, twin-stripe LED tail-light assembly and side panels altered for a sharp, tapering-towards-the-rear look. The engine had increased torque availability, reduced vibration and improved gear shift feel. cc variants.

2007: In July 2007, Bajaj began selling the Bajaj Pulsar 220 DTS-Fi and Pulsar 200 DTS-i, the former featuring fuel injection and oil cooled engines, a digital dash, and modern styling. This bike has some features which are totally new to the Indian market, like the fuel injection itself, rear disc brake and clip-on handlebars (the first two only available in the 220 model).

2008: The new Pulsar has many firsts to its credit. It comes equipped with an oil cooler, which helps control engine oil temperatures at sustained high speeds and rpms, thus ensuring more stable engine oil viscosity. The new digital console is an advanced version of the latest Pulsar family. Apart from the Digital Odometer, Digital Speedo Meter, Digital Fuel Gauge, Self-Cancelling Indicators and two Digital Trip Meters, the console on the 200 cc Pulsar DTS-I has indicators for the air filter condition, engine temperature, battery voltage and oil level.

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, duel digital trip meter, low fuel warning light (which also flashes when the engine is revved too hard), and low battery indicator are common features among all the variants and Auto Choke System in 220 Variant.

The Pulsar 180 received upgrades like wider tires, 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 on June 2009, tagging it as “the fastest bike in India”. It also discontinued the production of Pulsar 200 on 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 weighs only 122 kg.

2010: Bajaj released the UG 4.5 versions of the Pulsar 150. The upgrades for the Pulsar 150 included a clip-on handlebars like those in Pulsar 135LS. Power also increased from 14.09 HP to 15.06 HP (at 9,000 rpm). 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. Old Pulsar 220 is now named as Pulsar 220F.

2011: Bajaj released Pulsar 135LS,150,180 and 220F. 2012: 2012 marked the entry of Bajaj’s latest design, the Pulsar 200NS (NS standing for Naked-Sport). The bike has a revised 200 cc liquid cooled engine, which produces 23.17 bhp (17.28 kW) at 9,500 rpm and 18.3 N·m (13.5 lbf·ft) at 8,000 rpm. It has a new triple-spark design, along-with a new four-valve SOHC. The company claims a top speed of 136 km/h (85 mph).

It does not have fuel injection like its predecessor, the Pulsar 220Fi. It has a petal disc brake on the front, a disc brake on the rear wheel, and a gas-charged monoshock. It is expected to be launched by mid-end April 2012. Claimed fuel economy is 58 kilometers per liter (140 mpg-US) when ridden under 60 km/h.[25] Design of the 200NS was by Bajaj lead designer Edgar Heinrich, who left Bajaj to become head of BMW Motorrad design in mid-2012.