Yamaha Aerox 50 2005
Engine and transmission
Displacement: 49.0 ccm (2.99 cubic inches)
Power: 3.0 HP (2.2 kW) @ 7240 RPM
Torque: 3.3 Nm (0.3 kgf-m or 2.4 ft.lbs) @ 4500 RPM
Gearbox: Automatic
Frame, dampers, brakes and wheels
Frame type: Steel, tubular
Front dampers: Telescopic fork
Rear dampers: Hydraulic unit swing
Front tire: 120/70-13
Rear tire: 130/60-13
Front brakes: Single disc
Diameter: 190 mm (7.5 inches)
Rear brakes: Single disc
Diameter: 190 mm (7.5 inches)
Wheels: 5-spoke cast aluminium
Weight and dimentions
Wet weight: 97.0 kg (213.8 pounds)
Saddle height: 817 mm (32.2 inches) If adjustable, lowest setting.
Wheelbase: 1275 mm (50.2 inches)
Length: 1876 mm (73.9 inches)
Height: 1154 mm (45.4 inches)
Width: 706 mm (27.8 inches)
Ground clearance: 118 mm (4.6 inches)
Fuel tank: 6.0 litres (1.59 US gallons)
Other information
Carrying capacity: Under-seat helmet storage for a full-face helmet.

Yamaha Aerox 155 2018
Engine and transmission
Displacement: 155.0 ccm (9.46 cubic inches)
Power: 14.8 HP (10.8 kW) @ 8000 RPM
Torque: 18.7 Nm (1.9 kgf-m or 13.8 ft.lbs) @ 6250 RPM
Gearbox: Automatic
Clutch: Centrifugal dry clutch
Frame, dampers, brakes and wheels
Frame type: Underbone, steel
Front tire: 110/80-R14
Rear tire: 140/70-R14
Front brakes: Single disc
Rear brakes: Expanding brake (drum brake)
Weight and dimentions
Dry weight: 116.0 kg (255.7 pounds)
Wheelbase: 1350 mm (53.1 inches)
Length: 1990 mm (78.3 inches)
Height: 1125 mm (44.3 inches)
Ground clearance: 142 mm (5.6 inches)
Fuel tank: 4.6 litres (1.22 US gallons)

Yamaha Aerox 4 2021
General moped information
Model: Yamaha Aerox 4
Year: 2021
Category: Scooter
Engine and transmission
Displacement: 49.5 ccm (3.02 cubic inches)
Engine type: Single cylinder, four-stroke
Power: 3.0 HP (2.2 kW)) @ 7250 RPM
Torque: 3.3 Nm (0.3 kgf-m or 2.4 ft.lbs) @ 4500 RPM
Compression: 12.0:1
Bore x stroke: 38.0 x 43.5 mm (1.5 x 1.7 inches)
Fuel system: Injection
Fuel control: Single Overhead Cams (SOHC)
Ignition: TCI
Lubrication system: Wet sump
Cooling system: Liquid
Gearbox: Automatic
Transmission type,
final drive: Belt
Driveline: V-Belt Automatic
Chassis, suspension, brakes and wheels
Frame type: Steel, tubular
Front suspension: Telescopic fork
Front wheel travel: 80 mm (3.1 inches)
Rear suspension: Hydraulic unit swing
Rear wheel travel: 64 mm (2.5 inches)
Front tire: 120/70-13
Rear tire: 130/60-13
Front brakes: Single disc
Diameter: 190 mm (7.5 inches)
Rear brakes: Single disc
Diameter: 190 mm (7.5 inches)
Wheels: 5-spoke cast aluminium
Physical measures and capacities
Weight incl. oil, gas, etc: 97.0 kg (213.8 pounds)
Seat height: 817 mm (32.2 inches) If adjustable, lowest setting.
Overall height: 1155 mm (45.5 inches)
Overall length: 1870 mm (73.6 inches)
Overall width: 705 mm (27.8 inches)
Ground clearance: 118 mm (4.6 inches)
Wheelbase: 1275 mm (50.2 inches)
Fuel capacity: 6.00 litres (1.59 US gallons)
Other specifications
Color options: Matte Grey, Yamaha Blue
Starter: Electric & kick
Instruments: LCD instruments
Carrying capacity: Under-seat helmet storage for a full-face helmet.