As a journalist fortunate enough to test new motorcycles year-round, I’ve had my fair share of thrilling rides and disappointing experiences. But nothing could have prepared me for the Buell XB12R Firebolt – a game-changer in every sense.
This American-made sportbike boasts an innovative 1203cc V-Twin engine, cranking out 103 peak horsepower and 84 ft-lbs of torque thanks to its increased stroke length and Buell InterActive Exhaust system. The latter is a technological marvel, utilizing electronic actuators to optimize torque and horsepower in real-time, making the powerband incredibly linear and responsive.
As I rode the XB12R through the winding roads of Florida, I was blown away by its intuitive handling and razor-sharp reflexes. The bike devours corners with ease, its chassis seemingly glued to the road as it hugs each bend with precision and finesse. With its exceptional torque and power delivery, navigating twisties becomes a joyride.
The Buell XB12R Firebolt is a testament to American ingenuity and innovation, blending stunning performance, sleek design, and cutting-edge technology in perfect harmony. It’s an absolute revelation on the road, delivering a riding experience that’s nothing short of exhilarating – a true motorcycle nirvana.
Key Specifications
Engine Type
45 V-Twin, four stroke, pushrod actuated overhead valve.hydraulic self-adjusting lifters,2 valve per cylinder.
Engine Capacity
1203 cc / 73 cu in
Max Power
86.9 kw / 103 hp
Max Torque
114 Nm / 11.6 kgf-m / 84 ft-lbs @ 6000 rpm
Fuel Tank Capacity
14 L / 3.7 US gal
Seat Height
775 mm / 30.5″
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
Buell XB12R Firebolt
Year
2007
Engine
Engine Type
45 V-Twin, four stroke, pushrod actuated overhead valve.hydraulic self-adjusting lifters,2 valve per cylinder.
Displacement
1203 cc / 73 cu in
Bore x Stroke
88.9 x 96.8 mm
Compression Ratio
10.0:1
Max Horsepower
86.9 kw / 103 hp
Max Torque
114 Nm / 11.6 kgf-m / 84 ft-lbs @ 6000 rpm
Engine Management System
49 mm downdraft DDFI II fuel injection
Cooling System
Air cooled
Exhaust
Free breathing, 2-into-1 Buell Interactive exhaust system
Performance
Top Speed
249 km/h / 155 mph
*n/a – information not provided by manufacturer
Transmission
Gearbox
5 Speed
Final Drive
Belt
Electrical & Electronics System
Starter
Electric
Chassis & Suspension
Frame Type
Aluminium frame with Uniplanar Powertrain vibration isolation system
Front Suspension
Showa 41 mm inverted forks compression damping, rebound damping and spring preload adjustable
Front Suspension Travel
120 mm / 4.7″
Rear Suspension
Showa coil-over monoshock, remote underseat reservoir and adjustable compression damping, rebound damping and spring preload, 127mm wheel travel
Rear Suspension Travel
127 mm / 5.0″
Rake
21
Trail
83 mm / 3.3″
Wheels & Brakes
Front Wheel/Rim Size
3.50 x 17″
Front Tire Size
120/70 ZR17
Rear Wheel/Rim Size
5.50 x 17″
Rear Tire Size
180/55 ZR17
Front Brakes
ZTL type brake, 6 piston, fixed caliper, 375 mm single-sided, inside out, stainless steel, floating rotor
Rear Brakes
Single 240 mm disc, 1 piston floating caliper
Dimension & Weights
Overall Length
1924 mm / 75.7″
Overall Width
768 mm / 30.2″
Overall Height
1092 mm / 43″
Seat Height
775 mm / 30.5″
Wheelbase
1320 mm / 52.0″
Ground Clearance
127 mm / 5.0″
Fuel Tank Capacity
14 L / 3.7 US gal
Dry Weight
179 kg / 395 lbs
Features
1203cc lightweight V-Twin engine with air/fan and oil cooling
Fuel-injected engine with 103 peak horsepower and 84 ft. lbs. of torque
45-degree cylinder angle
Buell InterActive Exhaust system for optimized powerband
Electronic actuator that adjusts back-pressure in the muffler
Increased header pipe diameter from 1.50 to 1.75 inches
Increased intake throttle body diameter from 45mm to 49mm
Stiffer clutch spring and new Aramid reinforced Hibrex drive belt
Lowered primary drive ratio from 1.68:1 to 1.50:1
Rigid aluminum frame for reduced weight and improved handling
Multi-functional frame serves as a solid foundation and fuel tank support
Fuel tank is integrated into the frame, lowering center of gravity
Muffler located below the engine, further reducing moment of inertia
Aluminum swingarm doubles as engine oil reservoir
Adjustable Showa shock absorber in the rear suspension
Massive six-piston caliper front brake system with Buell Zero Torsional Load technology
*We strive to provide the most comprehensive and accurate specifications possible. However, certain details may not be available if the manufacturer did not disclose them or if the information is no longer publicly accessible. If you find any discrepancy with any data on this site, please feel free to let us know at contact@throttlecraze.com