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The KTM 450 EXC is a 4-stroke enduro off-road motorcycle made by KTM. The models are the European road legal 400 EXC and 450 EXC, the US 450 (Close Ratio) XC and 450 (Wide Ratio) XC-W. The European EXC versions have a small headlight, speedometer, tail-light and somewhat softer linkless (PDS) rear suspension. The US EXC is 50-states street legal.
Motocross – The current Motocross line designated by SX includes 50, 65, 85, 105, 125, 150, 250 and 300 cc single-cylinder two-stroke models (the 50 SX, 65 SX and 85 SX models are kids' and youth bikes), and 250, 350 and 450 cc single-cylinder four-stroke models (SX-F). [38] In 2005 KTM released the new 250SX-F to the general public.
A Suzuki GSX-R1000 at a drag strip – a 2006 model once recorded a 0 to 60 mph time of 2.35 seconds. This is a list of street legal production motorcycles ranked by acceleration from a standing start, limited to 0 to 60 mph times of under 3.5 seconds, and 1 ⁄ 4-mile times of under 12 seconds.
The top speed of the stock production vehicle has not been clearly defined by an independent, verifiable source. Otherwise, first electric vehicle to be considered for the position of the world's fastest street-legal production motorcycle, [ 37 ] [ 38 ] [ 39 ] to have won against ICE motorcycles in a professional road-based event and to have ...
Land speed records by surface Category Speed (km/h) Speed (mph) Vehicle Operator Date Certifier Refs On ice: 335.7: 208.6: Audi RS 6: Janne Laitinen 9 Mar 2013 FIA [19] On the Moon: 18.0: 11.2: Apollo 17 Lunar Roving Vehicle (LRV‑003) Eugene Cernan: 11 Dec 1972 (unofficial) [20] On Mars: 0.18: 0.11: Mars Exploration Rovers Spirit and Opportunity
KTM produced badge-engineered variants of the bike for its subsidiary brands: the Husqvarna FR450 Rally from 2021 to 2024, [2] and the GasGas RX 450 Rally from 2022 to 2024. [3] Due to on-going financial problems for the company, KTM ceased production of the derivative models for 2025, entering bikes only under the parent brand.
The 950SE is KTM's response to the BMW HP2, a well-regarded high-performance dirtbike whose 1170cc 'boxer' engine made 105-horsepower.The HP2 won its first competition start in 2005 at the Erzberg Rodeo in Styria, Austria, an annual "hard enduro" race series attracting hundreds of competitors from around the world.
The first generally recognized motorcycle speed records were set unofficially by Glenn Curtiss, using aircraft engines of his own manufacture, first in 1903, when he achieved 64 mph (103 km/h) at Yonkers, New York using a V-twin, and then on January 24, 1907, on Ormond Beach, Florida, when he achieved 136.27 mph (219.31 km/h) using a V8 housed in a spindly tube chassis with direct shaft drive ...