The Buell XB12R Firebolt – a motorcycle that embodies the perfect blend of American ingenuity and high-performance prowess. Born in the heartland of America, this sportbike boasts an innovative new engine, a 1203cc lightweight V-Twin that unleashes a staggering 103 horsepower and 84 ft-lbs of torque.
Its secret lies in its clever design, where a longer stroke from 3.125 to 3.812 inches boosts displacement without sacrificing efficiency. But it’s the Buell InterActive Exhaust system that truly sets it apart – an electronic actuator that adjusts back-pressure by switching between two exhaust gas flow paths, optimizing torque and horsepower on demand.
The result is a smooth, linear powerband that invites you to twist the throttle with reckless abandon. And when you do, the XB12R Firebolt rewards you with breathtaking acceleration and handling that’s both intuitive and precise – making it an absolute joy to ride through the twisties or carve up a canyon road.
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
2006
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 inches
Overall Width
768 mm / 30.2 inches
Overall Height
1092 mm / 43 inches
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
45 degree, air/fan and oil-cooled fuel-injected design
103 peak horsepower
84 ft. lbs. of torque
Buell InterActive Exhaust system with electronic actuator
Butterfly valve in muffler for back-pressure adjustment
Engine computer monitors speed and throttle position
Increased header pipe diameter (1.75 inches)
Increased intake throttle body diameter (49mm)
Stiffer clutch spring
Aramid reinforced Hibrex drive belt
Lowered primary drive ratio (1.50:1)
Rigid aluminum frame with integrated 3.7-gallon fuel tank
Mass centralization and low center of gravity design
Aluminum swingarm doubles as engine oil reservoir
Adjustable Showa shock absorber
Massive six-piston front brake caliper
*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
