Built around Suzuki's allround motorcycle platform, the 2014 Suzuki Thunder 125 pairs a 124 cc (7.6 cu in) air-cooled single cylinder, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 12.3 HP (9 kW) at 13,500 rpm while maximum torque reaches 8.4 Nm (6.2 lb-ft) at 8,500 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 99.2 HP per liter and a 5,000 rpm working window between peak torque (8,500 rpm) and peak power (13,500 rpm), the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.
On the scales, the Thunder 125 measures 112 kg (247 lbs) dry, translating to a power-to-weight ratio of 0.11 HP/kg (9.11 kg per horsepower). Rider ergonomics and chassis geometry center around a 760 mm (29.9 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops. The 14-liter (3.7 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Suzuki archive, this model family spans 2 indexed model years from 2013 to 2014, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
99.2 HP/L
Power-to-Weight
0.11 HP/kg (9.11 kg/HP)
Power Band Window
8,500–13,500 rpm
Standover Height
760 mm (29.9 in)
Engine
Displacement124.0 ccm (7.57 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Power12.3 HP (9.0 kW)) @ 13500 RPM
Torque8.4 Nm (0.9 kgf-m or 6.2 ft.lbs) @ 8500 RPM
Fuel SystemCarburettor
Fuel ControlSingle Overhead Cams (SOHC)
CoolingAir
Transmission
Gearbox5-speed
Final DriveChain (final drive)
Chassis
Front SuspensionTelescopic fork
Rear SuspensionSwing arm
Ground Clearance160 mm (6.3 inches)
Wheels & Brakes
Front Tyre80/90-18
Rear Tyre90/90-18.5
Front BrakesSingle disc
Rear BrakesExpanding brake (drum brake)
Dimensions & Weight
Dry Weight112.0 kg (246.9 pounds)
Power/Weight0.1102 HP/kg
Seat Height760 mm (29.9 inches) If adjustable, lowest setting.
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.