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Naked bike · 2010

XB12SX Lightning City X

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MotoLibrary Score
59 /100 Balanced
Power/Weight
0.52 hp/kg
Torque
104 Nm
Engine
1203 ccm

2010 Buell XB12SX Lightning City X Technical Analysis & Specification Breakdown

Engineered by Buell for the naked motorcycle segment, the 2010 Buell XB12SX Lightning City X features a 1202.9 cc (73.4 cu in) oil & air-cooled v2, four-stroke configuration. In factory specification, peak output is rated at 92.5 HP (67.5 kW) at 7,000 rpm while maximum torque reaches 104 Nm (76.7 lb-ft) at 5,500 rpm, transferring power to the rear wheel through a 5-speed gearbox and belt final drive. With a specific output of 76.9 HP per liter and a 1,500 rpm working window between peak torque (5,500 rpm) and peak power (7,000 rpm), the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the XB12SX Lightning City X measures 179 kg (395 lbs) dry, translating to a power-to-weight ratio of 0.52 HP/kg (1.94 kg per horsepower). Rider ergonomics and chassis geometry center around a 726 mm (28.6 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,320 mm (52 in) wheelbase engineered for quick, flickable steering geometry. The 14.45-liter (3.8 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Specific Output
76.9 HP/L
Power-to-Weight
0.52 HP/kg (1.94 kg/HP)
Power Band Window
5,500–7,000 rpm
Standover Height
726 mm (28.6 in)
Engine
Displacement 1202.9 ccm (73.40 cubic inches)
Engine Type V2, four-stroke
Engine Details V2, four-stroke
Power 92.5 HP (67.5 kW)) @ 7000 RPM
Torque 104.0 Nm (10.6 kgf-m or 76.7 ft.lbs) @ 5500 RPM
Compression 10.0:1
Bore x Stroke 88.9 x 96.8 mm (3.5 x 3.8 inches)
Valves/Cylinder 2
Fuel System Injection. 49 mm down draft DDFI II fuel injection
Fuel Control Overhead Valves (OHV)
Cooling Oil & air
Transmission
Gearbox 5-speed
Final Drive Belt (final drive)
Clutch Wet, multi-plate, compensated
Performance
Exhaust Tuned, tri-pass resonance chamber with InterActive valve and mass-centralised mounting
Chassis
Frame Type Black aluminium frame with Uniplanar™ powertrain vibration isolation system, fuel in frame
Rake 21.0°
Trail 84 mm (3.3 inches)
Front Suspension 41 mm Showa inverted forks with adjustable compression damping, rebound damping and spring preload
Front Travel 79 mm (3.1 inches)
Rear Suspension Showa coil-over monoshock with remote, under-seat reservoir and adjustable compression damping, rebound damping and spring preload
Rear Travel 90 mm (3.6 inches)
Wheelbase 1320 mm (52.0 inches)
Ground Clearance 110 mm (4.3 inches)
Wheels & Brakes
Front Tyre 120/70-ZR17
Rear Tyre 180/55-ZR17
Front Brakes Single disc. ZTL2-type brake, 8-piston, 4 pads, fixed caliper, 375 mm single-sided, inside out, stainless steel, floating rotor
Front Brake Ø 375 mm (14.8 inches)
Rear Brakes Single disc. Two-piston, direct mount caliper; stainless steel, fixed rotor
Rear Brake Ø 240 mm (9.4 inches)
Dimensions & Weight
Dry Weight 179.0 kg (394.6 pounds)
Power/Weight 0.5169 HP/kg
Seat Height 726 mm (28.6 inches) If adjustable, lowest setting.
Overall Length 1985 mm (78.1 inches)
Overall Width 754 mm (29.7 inches)
Fuel Capacity 14.45 litres (3.82 US gallons)
Reserve Fuel 2.83 litres (0.75 US gallons)
Oil Capacity 2.40 litres (2.54 US quarts)
Other
Starter Electric
Color Options Valencia Orange Translucent; Hero Blue Translucent
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Buying Checklist

Before You Compare This Bike

Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.

Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
Rider Profile

Who Is This Bike For?

🟡
Intermediate
Requires some riding experience.
🏍️
Best For
City & Weekend Rides
📏
Seat Height
72.6 cm / 28.6 in
⚖️
Handling
Manageable weight for most riders
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