14 August. Friday 2026
Buell 1125R - 2008 Specifications and Reviews
The 2008 Buell 1125R is a middleweight sport bike designed for riders seeking aggressive performance with American character. Powered by a potent 1125cc V-twin engine producing 146 horsepower, it delivers thrilling acceleration and nimble handling. Known for its compact wheelbase and innovative engineering, the 1125R represents Buell's commitment to high-revving sport bike dynamics.
General information | |
| Category | Sport |
| Year | 2008 |
| Model | Buell 1125R |
Engine and Transmission Specifications | |
| Clutch | Wet, multi-plate, Hydraulic Vacuum Assist (HVA) Slipper Action Clutch, hydraulic clutch lever effort |
| Transmission typefinal drive | Belt |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Dry-sump with integrated oil reservoir in lower crankcase |
| Starter | Electric |
| Fuel control | DOHC |
| Valves per cylinder | 4 |
| Fuel system | Injection. Dual 61 mm down draft throttle bodies, DDFI III fuel injection |
| Compression | 12.3:1 |
| Torque | 111.19 |
| Power | 146.00 |
| Stroke | 4 |
| Engine type | V2 |
| Capacity: | 1125.86 ccm (68.70 cubic inches) |
Physical measures and capacities | |
| Wheelbase | 1,387 mm (54.6 inches) |
| Ground clearance | 114 mm (4.5 inches) |
| Overall width | 716 mm (28.2 inches) |
| Overall length | 1,996 mm (78.6 inches) |
| Dry weight | 170.1 kg (375.0 pounds) |
| | |
Buell 1125R dimensions and frame | |
| Exhaust system | Tuned, tri-pass resonance chamber with integral helmholtz tuning and mass-centralized mounting |
| Rear brakes diameter | 240 mm (9.4 inches) |
| Rear brakes | Single disc. 2-piston calipers |
| Front brakes diameter | 375 mm (14.8 inches) |
| Front brakes | Single disc. 8-piston calipers |
| Rear tyre dimensions | 180/55-ZR17 |
| Front tyre dimensions | 120/70-ZR17 |
| Rear suspension travel | 127 mm (5.0 inches) |
| Rear suspension | Showa coil over monoshock with adjustable compression damping, rebound damping and spring preload |
| Front suspension travel | 120 mm (4.7 inches) |
| Front suspension | 47 mm Showa inverted forks with adjustable compression damping, rebound damping and spring preload |
| Rake (fork angle) | 21.0° |
| Frame type | Aluminum frame, fuel in frame |
Speed and acceleration | |
| Power/weight ratio | 0.8584 HP/kg |
| | |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Color options | Midnight Black, Diamond Blue Frame |
| Fuel capacity | 21.19 litres (5.60 gallons) |
Performance Profile & Rider Fit
146 hp
Peak Power
3.1s
0-60 mph
Best For
Track88%
City45%
Cornering93%
Daily Riding40%
Touring30%
Passenger25%
Rider Profile
| Best For | This bike suits an experienced rider who is comfortable with a powerful, quick-reacting sportbike and its unconventional V-twin character. |
| Purpose | Built primarily for aggressive cornering and track-day performance, with its steep rake, mass-centralized design, and high-spec brakes prioritizing agility over outright top speed. |
| Rider Fit | The low, compact riding position combined with a firm suspension and aggressive geometry demands a fit rider comfortable with committed forward-leaning ergonomics. |
| Character | It has a raw, mechanical, torquey personality distinct from inline-four sportbikes, rewarding riders who enjoy unique engineering and strong mid-range punch. |
| Not Ideal For | This is not a good choice for beginners, long-distance tourers, passengers seeking comfort, or anyone wanting a plush, relaxed ride. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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