The Suzuki Hayabusa (or GSX1300R) is a sport bike motorcycle made by Suzuki since 1999. It immediately won acclaim as the world's fastest production motorcycle, with a top speed of 303 to 312 km/h (188 to 194 mph). In 1999, fears of a European regulatory backlash or import ban, led to an informal agreement between the Japanese and European manufacturers to govern the top speed of their motorcycles at an arbitrary limit. The media-reported value for the speed agreement in miles per hour was consistently 186 mph, while in kilometers per hour it varied from 299 to 303 km/h, which is typical given unit conversion rounding errors. This figure may also be affected by a number of external factors, as can the power and torque values. The conditions under which this limitation was adopted led to the 1999 Hayabusa's title remaining, at least technically, unassailable, since no subsequent model could go faster without being tampered with. After the much anticipated Kawasaki Ninja ZX-12R of 2000 fell 6 km/h (4 mph) short of claiming the title, the Hayabusa secured its place as the fastest standard production bike of the 20th century. This gives the unrestricted 1999 models even more cachet with collectors. Besides its speed, the Hayabusa has been lauded by many reviewers for its all-round performance, in that it does not drastically compromise other qualities like handling, comfort, reliability, noise, fuel economy or price in pursuit of a single function. Jay Koblenz of Motorcycle Consumer News commented, "If you think the ability of a motorcycle to approach 190 mph or reach the quarter-mile in under 10 seconds is at best frivolous and at worst offensive, this still remains a motorcycle worthy of just consideration. The Hayabusa is Speed in all its glory. But Speed is not all the Hayabusa is." Suzuki lightly revised the GSX1300R for the 2008 model year, with a minor restyling of the bodywork, and fine-tuning of the engine's head, pistons and exhaust. Though the engine changes were relatively limited, they still yielded a large horsepower increase, and brought the bike into compliance with new noise and emissions requirements. In 2004, market researchers from the US and Japan began working to identify which elements of the Hayabusa design had attracted so many buyers, discovering that, in spite of having its looks sometimes disparaged in print, customers were much enamored with the old Hayabusa. A redesign meant to strengthen the bike's appearance without departing much from the original found approval with dealers and focus groups. Underneath the skin, Suzuki decided to save considerable development cost by keeping major portions of the frame and engine unchanged. This was because engineers had determined greater power was possible without a significant redesign of the old engine, even faced with the need to comply with more stringent noise and air pollution rules. The target was to produce more than 190 bhp (142 kW) at the crankshaft, and they delivered 194 hp (145 kW), an 11 or 12 percent increase over the previous output. When the new Hayabusa was released, independent tests bore this out, with 172.2 bhp (128.4 kW) @ 10,100 rpm measured at the rear wheel. Suzuki's Koji Yoshiura designed the look of the new Hayabusa. He had previously styled the first generation Hayabusa, as well as the Suzuki Bandit 400, RF600R, TL1000S and the SV650. For research, Yoshiura traveled around the United States to bike nights and clubs for a first hand look at the styling aesthetic of the Hayabusa custom scene, and was inspired as much by the look and build of the Hayabusa rider as their custom bikes. While the second generation is very close to the first in overall shape, and is largely dictated by wind tunnel tests, the raised lines and curves are meant to suggest a muscular build. Said Yoshiura, "I wanted to create a masculine form that complements a rider's muscular structure with hints of developed bicep, forearm and calves." Engine changes consisted of an increase in stroke by 2 mm, enlarging displacement to 1,340 cc (82 cu in). The compression ratio was boosted from 11:1 to 12.5:1 and the cylinder head was made more compact and was given lighter titanium valves, saving 14.1 g (0.50 oz) and 11.7 g (0.41 oz) on each intake and exhaust valve, respectively. The valves were driven by a chain with a new hydraulic tensioner. The pistons were made lighter by 1.4 g (0.049 oz) and used ion-coated rings and shot peened connecting rods. The crankcase breather system had reed valves added to control pressure waves in the intake airbox, a way of avoiding power loss. Fuel injectors from the GSX-R1000 were used, with smaller 44-millimetre (2 in) throttle bodies, called the Suzuki Dual Throttle Valve (SDTV) system. It has three selectable options of power delivery for a range of touring to wide open high performance. The exhaust system was overhauled, using a 4-2-1-2 system, meaning four exhaust outlets merging into two pipes, and then joining into a single pipe before splitting into two enlarged, quieter mufflers, which added a few pounds of weight compared to the first generation Hayabusa. The exhaust also included a catalytic converter and an oxygen sensor in order to meet Euro 3 emissions requirements. The suspension was upgraded with a 43 mm Kayaba inverted fork with sliders having a diamond-like carbon (DLC) coating. The rear shock is also a Kayaba, and the overall suspension is firmer than the previous model. The swingarm is similar in design to the old one, but was strengthened. Front and rear remain fully adjustable. The transmission was given a heavier-duty, slipper clutch. The final drive ratio was slightly lower, and gears 5-6 were spaced farther apart, and gear ratios 1-2 moved closer together. Ergonomic and cosmetic changes for the 2008 model include a higher windscreen, and interlocking gauge faces with a digital speedometer, as well as a new gear indicator and adjustable shift light. The fairing fasteners were hidden to uncomplicate custom paint work. The twin-spar aluminum frame was carried over from the previous version, and wheelbase, rake/trail, and seat height were the same, while overall length grew by two inches, and the taller windscreen added about ½ inch. Weight was saved by omitting the centerstand. Technical improvements in the chassis include Tokico radial brake calipers, allowing smaller discs and therefore lower unsprung weight, translating into superior handling. Increased front braking power necessitated a sturdier lower triple clamp. The rear brake caliper was moved to the top of the disc, giving a cleaner visual appearance. New 17 inch wheels were designed, using Bridgestone BT-015 radials taken almost directly from the GSX-R1000. Other changes were a steering damper with a reservoir and dual cooling fans with a larger, curved radiator. Because of increased vibration from the longer stroke, the fuel tank was put on floating mounts. All told, the changes for 2008 resulted in a dry weight of 490 lb (222 kg), 5 lb (2 kg) heavier than the prior generation. Suzuki has dropped the GSX1300R designation in some countries and simply called the motorcycle the Hayabusa. Recently the company celebrated the tenth anniversary of Hayabusa in Santa Pod raceway where more than 500 owners of Hayabusa converged. Many events were organized and prizes were distributed to people who visited the event. There are no changes for the 2010 model year except new colors. Alongside the second generation Hayabusa, Suzuki developed the new B-King, a naked bike in the streetfighter mold, using the same engine but with a different intake and exhaust. Typically, a new sportbike model sells well in its first year, and then sees its numbers decline every year as it grows older. The Hayabusa reversed this pattern, selling in greater numbers every year from the 1999 launch through the 2008 revision. From its debut in 1999 to June 2007 over 100,000 Hayabusas were sold worldwide. In the United States in each of the years 2005 and 2006, over 10,000 units were sold. It was predicted that the gentlemen's agreement speed cap would hurt sales, because buyers would not want a bike that was hobbled with a speed limiter, even riders who would never approach the hypothetical maximum. However, sales in the United States have increased year after year since its release in 1999 until 2006 and went from just a few thousand units in 1999 to over 10,000 in 2006. This Bike Has Collaborations With Pak Suzuki Motor Company Ltd.
HANDLE WITH CARE THIS BIKE HAVING A FRAMELESS WINDSHEILD FROM FEW EDGES.
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