Engineered by MZ for the scooter motorcycle segment, the 2007 MZ Mosquito 125RX pairs a 125 cc (7.6 cu in) engine architecture with road-focused gearing. In factory specification, peak output is rated at 7.4 HP (5.4 kW) at 7,500 rpm while maximum torque reaches 8.5 Nm (6.3 lb-ft) at 4,000 rpm, transferring power to the rear wheel through a automatic gearbox and chain final drive. With a specific output of 59 HP per liter and a 3,500 rpm working window between peak torque (4,000 rpm) and peak power (7,500 rpm), the engine character is prioritizing low-RPM tractability, mechanical longevity and relaxed throttle response over peak redline numbers.
On the scales, the Mosquito 125RX measures 103 kg (227 lbs) dry, translating to a power-to-weight ratio of 0.07 HP/kg (13.98 kg per horsepower). Rider ergonomics and chassis geometry center around a 800 mm (31.5 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance, combined with a 1 mm (0 in) wheelbase engineered for quick, flickable steering geometry. The 6.8-liter (1.8 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Specific Output
59 HP/L
Power-to-Weight
0.07 HP/kg (13.98 kg/HP)
Power Band Window
4,000–7,500 rpm
Standover Height
800 mm (31.5 in)
Engine
Displacement125.00 ccm (7.63 cubic inches)
Engine DetailsSingle cylinder, four-stroke
Power7.37 HP (5.4 kW)) @ 7500 RPM
Torque8.50 Nm (0.9 kgf-m or 6.3 ft.lbs) @ 4000 RPM
Valves/Cylinder4
Fuel SystemCarburettor. Mikuni
Fuel ControlSingle Overhead Cams (SOHC)
IgnitionCDI
Transmission
GearboxAutomatic
Final DriveChain
Chassis
Front SuspensionTelescopic fork
Rear SuspensionOil damper
Wheelbase1,290 mm (50.8 inches)
Ground Clearance120 mm (4.7 inches)
Wheels & Brakes
Front Tyre120/70-12
Rear Tyre130/70-12
Front BrakesSingle disc
Rear BrakesExpanding brake (drum brake)
Dimensions & Weight
Dry Weight103.0 kg (227.1 pounds)
Power/Weight0.0716 HP/kg
Seat Height800 mm (31.5 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.
