The liquid-cooled engine has a V angle of 72° and produces a claimed 146 hp (109 kW), with a rpm limit of 10,500. The 1125R is powered by a 1,125 cc (68.7 cu in) Helicon V-twin engine made by BRP-Powertrain (Rotax) of Austria.
![buell engine number buell engine number](https://ridermagazine.com/wp-content/uploads/2020/05/IMG_7558-Clipped.jpg)
In November 2009, Buell founder Erik Buell launched Erik Buell Racing, which initially produced race-only versions of the 1125R. Production of road-going 1125Rs, and all Buell models, ceased in October 2009. It was introduced in July 2007 for the 2008 model year. The Buell 1125R is a sport bike that was made by Buell Motorcycle Company in the United States.
![buell engine number buell engine number](https://d2t1xqejof9utc.cloudfront.net/screenshots/pics/c127f11a43b2f887b2c3840fe0871c15/large.jpg)
![buell engine number buell engine number](https://www.twinmotorcycles.nl/webshop/artikelen/WM/0B3A44B3-F250-4BDE-9C27-8E10AEEE3143.jpg)
Rear: Fully adjustable Showa coil over monoshock, 127 mm (5.0 in) suspension travelįront: ZTL2 8-piston rim-mounted 14.8 in (375 mm) single disc