Back to Bike FinderYears: 2010 · 2009 · 2008
Buell 1125R
2008Sportbike

Buell 1125R

Key specifications

Engine
1126 cc
Power
146 HP
Torque
111 Nm
Weight
170 kg
Fuel type
petrol
Fuel capacity
5.6 L
Transmission
6-speed
Front brakes
Single disc. 8-piston calipers
Rear brakes
Single disc. 2-piston calipers

Overview

Introducing the 2008 Buell 1125R: a captivating blend of American muscle and cutting-edge engineering that redefined the sport motorcycle landscape. Positioned as a formidable contender in the sport category, the 1125R boasts a striking design that merges aggressive aesthetics with functional performance. With its aluminum frame and a distinctive look, this motorcycle is not just a head-turner; it’s a statement of Buell’s commitment to performance and innovation. Whether carving through twisty backroads or dominating the racetrack, the 1125R is built to thrill riders who crave precision and power. At the heart of the Buell 1125R lies a robust 1125.86cc V2 engine, delivering an impressive 146 horsepower at 9,800 RPM. This powerhouse generates a torque of 111.19 Nm at 8,000 RPM, ensuring an exhilarating rush whether you’re accelerating from a standstill or overtaking on the highway. The liquid-cooled, four-stroke engine features a high compression ratio of 12.3:1, enhancing its performance capabilities. Coupled with a 6-speed gearbox and a unique hydraulic vacuum assist slipper clutch, the 1125R offers seamless shifting and a responsive throttle, making it an absolute joy to ride. Riders will appreciate the balance of power and control, resulting in a dynamic riding experience that is both thrilling and confidence-inspiring. The 2008 Buell 1125R is packed with features that elevate its performance and rider experience. The advanced suspension setup includes 47 mm Showa inverted forks at the front and a Showa coil-over monoshock at the rear, both of which are fully adjustable for compression damping, rebound damping, and spring preload. This adaptability allows riders to fine-tune their setup for the best handling in various conditions. The braking system is equally impressive, with an 8-piston caliper on a massive 375 mm front disc, providing exceptional stopping power. Additionally, the bike’s fuel-in-frame design not only enhances weight distribution but also contributes to the 1125R’s agile handling. With a fuel capacity of 21.19 liters, riders can enjoy longer journeys without frequent stops. **

Pros

  • Powerful Performance: The V2 engine delivers outstanding horsepower and torque, ensuring thrilling acceleration and responsiveness.
  • Advanced Suspension: Fully adjustable Showa suspension components provide exceptional handling and comfort, making it suitable for both track days and spirited rides.
  • Unique Design: The aluminum frame and striking aesthetics set the 1125R apart from its competitors, making it a standout choice for enthusiasts.

Cons

  • Weight Distribution: While the fuel-in-frame design is innovative, some riders may find the weight distribution slightly different compared to traditional sport bikes.
  • Limited Dealer Network: Buell's smaller production scale means fewer dealerships and availability for parts and service compared to larger manufacturers.
  • Riding Position: The aggressive riding position may not be comfortable for all riders, especially on longer journeys, potentially limiting its versatility for touring.

Technical details

Source specification data

Make
Buell
Model
1125R
Category
Sport
Starter
Electric
Color Options
Midnight Black, Diamond Blue Frame
Power
146.00 HP (106.6 kW)) @ 9800 RPM
Clutch
Wet
, multi-plate,
Slipper Action Clutch
, hydraulic clutch lever effort
Torque
111.19 Nm (11.3 kgf-m or 82.0 ft.lbs) @ 8000 RPM
Gearbox
6-speed
Fuel System
Injection
.
Dual
61 mm down draft throttle bodies,
I
fuel injection
Compression
12.3:1
Displacement
1125.86 ccm (68.70 cubic inches)
Cooling System
Liquid
Engine Details
V2, four-stroke
Exhaust System
Tuned, tri-pass resonance chamber with integral helmholtz tuning and mass-centralized mounting
Lubrication System
Dry-sump with integrated oil reservoir in lower crankcase
Valves Per Cylinder
4
Transmission Type Final Drive
Belt
Dry Weight
170.1 kg (375.0 pounds)
Fuel Capacity
21.19 litres (5.60 gallons)
Overall Width
716 mm (28.2 inches)
Overall Length
1,996 mm (78.6 inches)
Ground Clearance
114 mm (4.5 inches)
Power Weight Ratio
0.8584 HP/kg
Rake
21.0°
Rear Tyre
180/55-ZR17
Frame Type
Aluminum frame, fuel in frame
Front Tyre
120/70-ZR17
Rear Brakes
Single disc. 2-piston calipers
Front Brakes
Single disc. 8-piston calipers
Rear Suspension
Showa coil over monoshock with adjustable compression damping, rebound damping and spring preload
Front Suspension
47 mm Showa inverted forks with adjustable compression damping, rebound damping and spring preload
Rear Wheel Travel
127 mm (5.0 inches)
Front Wheel Travel
120 mm (4.7 inches)
Rear Brakes Diameter
240 mm (9.4 inches)
Front Brakes Diameter
375 mm (14.8 inches)

Available colors

Midnight BlackDiamond Blue Frame