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Buell 1125R

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Title: Buell 1125R  
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Subject: Erik Buell Racing, List of fastest production motorcycles by acceleration, BMW S1000RR, V-twin engine, Harley-Davidson
Collection: Buell Motorcycles, Motorcycles Introduced in 2008, Sport Bikes
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Buell 1125R

Buell 1125R
Manufacturer Buell
Production 2008–2009 by Buell
2009– by Erik Buell Racing
Class Sport bike
Engine Rotax Helicon: liquid-cooled, 72° V-twin, 1,124.9 cc (68.65 cu in), DOHC, FI, 4 valves per cylinder, finger followers, shims, dual 61 mm (2.4 in) downdraft throttle bodies, ram-air intake, dry-sump lubrication
Bore / stroke 103.0 mm × 67.5 mm (4.06 in × 2.66 in)
Compression ratio 12.3:1
Top speed 158–161 mph (254–259 km/h)[1][2]
Power 127.1–134 hp (94.8–99.9 kW) @ 9,800 rpm[1][2]
Torque 71.1–75.9 lbf·ft (96.4–102.9 N·m) @ 8,300 rpm[1][2]
Transmission 6-speed, belt drive, HVA slipper clutch
Suspension Front: Fully adjustable 47 mm Showa inverted fork, 120 mm (4.7 in) suspension travel
Rear: Fully adjustable Showa coil over monoshock, 127 mm (5.0 in) suspension travel
Brakes Front: ZTL2 8-piston rim-mounted 375 mm (14.8 in) single disc
Rear: 2-piston caliper,240 mm (9.4 in) disc
Tires Pirelli Diablo Corsa III
Front: 120/70 ZR-17
@ 3.50 in × 17 in (89 mm × 432 mm) cast aluminium wheel
Rear: 180/55 ZR-17
@ 5.50 in × 17 in (140 mm × 432 mm) cast aluminium wheel
Rake, trail 21.0° / 84 mm (3.3 in)
Wheelbase 1,375 mm (54.1 in)
Dimensions L: 2,040 mm (80 in)
W: 716 mm (28.2 in)
Seat height 30.5 in (775 mm)
Weight 440 lb (200 kg)[2] (dry)
466 lb (211 kg)[1] (wet)
Fuel capacity 20.1 l (4.4 imp gal; 5.3 US gal)
Fuel consumption 32.6–36 mpg-US (7.2–6.5 L/100 km; 39.2–43.2 mpg-imp)[1][2]
Related Buell Firebolt XB12R, Buell 1125CR

The Buell 1125R is a sport bike that was made by Buell Motorcycle Company in the United States. It was introduced in July 2007 for the 2008 model year. Production of road-going 1125Rs, and all Buell models, ceased in October 2009. In November 2009, Buell founder Erik Buell launched Erik Buell Racing, which initially produced race-only versions of the 1125R.[3]

The 1125R is powered by a 1,125 cc (68.7 cu in) Helicon V-twin engine made by BRP-Powertrain (Rotax) of Austria. 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.[4] Motorcycle Consumer News tested 127.1 hp (94.8 kW) and 71.1 lbf·ft (96.4 N·m) at the rear wheel,[1] while Cycle World reported 134.0 hp (99.9 kW) @ 9,800 rpm and 75.9 lbf·ft (102.9 N·m)} @ 8,300 rpm.[2] The two magazines reported top speeds of 158 and 161 mph (254 and 259 km/h) respectively, and 0 to 14 mile (0.00 to 0.40 km) times of 10.51 and 10.39 seconds at 134.32 and 134.09 mph (216.17 and 215.80 km/h).[1][2]

The Helicon engine's 72° layout differs from Buell's previous V-twins, which were based on 45° air-cooled Harley-Davidson Sportster motors, modified for greater efficiency and output.

The 1125R includes a number of unconventional design attributes. The patented frame design houses the bike's fuel. The single, eight-piston front brake, called ZTL2, has a 375 mm (14.8 in) inverted rotor that is directly attached to the front wheel rim. This enabled Buell to design a front end that was lighter and more responsive than traditional designs. The bike also uses an exhaust under the engine for greater volume. The frame, front end and exhaust all contribute to Buell's main design aim of mass centralization. Instead of a drive chain the 1125R uses a drive belt, which does not require lubrication or adjustment.

References

  1. ^ a b c d e f g
  2. ^ a b c d e f g
  3. ^
  4. ^ Buell 1125r specs

External links

  • Media related to Buell 1125R at Wikimedia Commons
  • Motorcycle.com first ride review
  • Buell 1125R (buell.com) at the Wayback Machine (archived August 4, 2008)
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