At the heart of the 2005 Yamaha Aerox 50 scooter motorcycle, Yamaha features a 49 cc (3 cu in) liquid-cooled in-line six, two-stroke configuration. In factory specification, peak output is rated at 3 HP (2.2 kW) while maximum torque reaches 2.7 Nm (2 lb-ft), transferring power to the rear wheel through a automatic gearbox and belt final drive. Internal engine geometry specifies a bore and stroke of 12.0 x 0.0 mm (0.5 x inches) with a 1.0:1 compression ratio.
On the scales, the Aerox 50 measures 97 kg (214 lbs) dry. Rider ergonomics and chassis geometry center around a 830 mm (32.7 in) seat height — resulting in a taller command-style riding posture suited to medium-to-tall inseams. The 7-liter (1.8 US gal) fuel tank paired with a rated consumption of 3.22 L/100 km provides an estimated theoretical range of roughly 217 km (135 miles) between fill-ups, while factory top speed is listed at 48 km/h (30 mph).
Theoretical Range
~217 km (135 mi)
Engine
Displacement49.0 ccm (2.99 cubic inches)
Engine TypeIn-line six, two-stroke
Engine DetailsIn-line six, two-stroke
Power3.0 HP (2.2 kW))
Torque2.7 Nm (0.3 kgf-m or 2.0 ft.lbs)
Compression1.0:1
Bore x Stroke12.0 x 0.0 mm (0.5 x inches)
Valves/Cylinder112
Fuel SystemInjection
Fuel ControlDesmodromic valve control
Ignitionkey
Lubricationwet
CoolingLiquid
Max RPM11
Transmission
GearboxAutomatic
Final DriveBelt (final drive)
Performance
Top Speed48.3 km/h (30.0 mph)
Fuel Consumption3.22 litres/100 km (31.1 km/l or 73.05 mpg)
Greenhouse Gases74.7 CO2 g/km. (CO2 - Carbon dioxide emission)
Exhaustrusty race pipe
Chassis
Frame TypeTubular steel cradle
Front SuspensionTelescopic fork
Rear SuspensionDual shocks
Wheels & Brakes
Front Tyre130/60-13
Rear Tyre140/60-13
Front BrakesSingle disc
Front Brake Ø190 mm (7.5 inches)
Rear BrakesSingle disc
Rear Brake Ø190 mm (7.5 inches)
Dimensions & Weight
Dry Weight97.0 kg (213.8 pounds)
Power/Weight0.0309 HP/kg
Seat Height830 mm (32.7 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.
