At the heart of the 2023 Ajp SPR 125 Supermoto super motard motorcycle, Ajp utilizes a 124 cc (7.6 cu in) air-cooled single cylinder, four-stroke layout. In factory specification, peak output is rated at 12.5 HP (9.1 kW) at 12,600 rpm while maximum torque reaches 8.5 Nm (6.3 lb-ft) at 8,000 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 100.8 HP per liter and a 4,600 rpm working window between peak torque (8,000 rpm) and peak power (12,600 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 SPR 125 Supermoto measures 104 kg (229 lbs) wet (curb), translating to a power-to-weight ratio of 0.12 HP/kg (8.32 kg per horsepower). Rider ergonomics and chassis geometry center around a 840 mm (33.1 in) seat height — resulting in a taller command-style riding posture suited to medium-to-tall inseams, combined with a 1,380 mm (54.3 in) wheelbase engineered for quick, flickable steering geometry. The 9.5-liter (2.5 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Specific Output
100.8 HP/L
Power-to-Weight
0.12 HP/kg (8.32 kg/HP)
Power Band Window
8,000–12,600 rpm
Standover Height
840 mm (33.1 in)
Engine
Displacement124.0 ccm (7.57 cubic inches)
Engine TypeSingle cylinder, four-stroke
Power12.5 HP (9.1 kW)) @ 12600 RPM
Torque8.5 Nm (0.9 kgf-m or 6.3 ft.lbs) @ 8000 RPM
Bore x Stroke56.5 x 49.5 mm (2.2 x 1.9 inches)
Valves/Cylinder2
Fuel SystemCarburettor. 30 mm
Fuel ControlSingle Overhead Cams (SOHC)
CoolingAir
Transmission
Gearbox5-speed
Final DriveChain (final drive)
ClutchOil bath, multidisc
Chassis
Frame TypeComposite aluminum and steel
Front SuspensionAJP Ø43mm fork, fully adjustable
Front Travel280 mm (11.0 inches)
Rear SuspensionSachs progressive system with reservoir
Rear Travel300 mm (11.8 inches)
Wheelbase1380 mm (54.3 inches)
Ground Clearance305 mm (12.0 inches)
Wheels & Brakes
Front Tyre100/80-17
Rear Tyre130/70-17
Front BrakesSingle disc. 2 piston caliper, Braktec
Front Brake Ø260 mm (10.2 inches)
Rear BrakesSingle disc. Braktec
Rear Brake Ø220 mm (8.7 inches)
WheelsWire spoked
Dimensions & Weight
Weight incl.104.0 kg (229.3 pounds)
Seat Height840 mm (33.1 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.
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.
