page_title: Buell Motorcycle Company
section_title: 1125R
hierarchical_section_title: Buell Motorcycle Company / Buell Models / 1125-series (XB3, 2007–2009) / 1125R
caption_attribution_description: English: 2008 Buell 1125R (25th Anniversary Signature Edition); Aftermarket exhaust modification.
context_page_description: The Buell Motorcycle Company was an American motorcycle manufacturer based in East Troy, Wisconsin, and was founded in 1983 by ex-Harley-Davidson engineer Erik Buell.
  Harley-Davidson acquired 49% of Buell in 1993, and Buell became a wholly owned subsidiary of Harley-Davidson by 2003.
  On November 17, 2006, Buell announced that it had produced and shipped its 100,000th motorcycle.
  On October 15, 2009, Harley-Davidson announced the discontinuation of the Buell product line as part of its strategy to focus on the Harley-Davidson brand. The last Buell motorcycle was produced on October 30, 2009, bringing the number manufactured to 136,923.
  In November 2009, Erik Buell announced the launch of Erik Buell Racing, an independent company run by Erik Buell which initially produced race-only versions of the 1125R model, then subsequently offered an updated 1190RS model for the street or the track, and is currently producing a further improved 1190RX model which is also intended for street or track use.
context_section_description: In July 2007, Buell announced the 1125R, a sport bike that departed from Buell's history of using Harley-Davidson Sportster based middle weight powertrains and tapping into the XBRR racing bike learnings. The Rotax Helicon powertrain uses four valves per cylinder, dual over-head cam, liquid-cooled 72 degree V-Twin displacing 1,125 cc and producing 146 hp (109 kW). It produces 83 ft⋅lbf (113 N⋅m) of peak torque but varies less than 6 ft⋅lbf (8.1 N⋅m) of torque from 3,000 to 10,500 rpm. There is a vacuum assist slipper clutch to give predictable drive performance in hard cornering and deceleration and a six-speed transmission.
  The Helicon engine was developed and built by BRP-Powertrain in Austria. The design had significant Buell input and was funded through Buell's cashflow.
  The 1125R did not have a full fairing, as that would have put it in the same class as Japanese sportbikes. Erik Buell agonized over this, saying "it's not about listening to the voice of the customer." Cycle World magazine said the 1125R was "a bit of an oddity." The bike was initially released with a crude spark map, leading to criticism of the bike at low speeds. The Rotax Helicon also ended up costing significantly more by production time due to fluctuation in exchange rates.
caption: Buell 1125R 25th Anniversary Signature Edition
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