Motorcycles Specs > AJS > AJS Firefox 50

AJS Firefox 50 Specs

The AJS Firefox 50 model is a Scooter bike manufactured by AJS . In this version sold from year 2015 , the dry weight is 85.0 kg (187.4 pounds) and it is equipped with a Single cylinder, two-stroke motor. The engine produces a maximum peak output power of 3.00 HP (2.2 kW)) @ 8000 RPM and a maximum torque of  . With this drive-train, the AJS Firefox 50 is capable of reaching a maximum top speed of 49.9 km/h (31.0 mph) . On the topic of chassis characteristics, responsible for road holding, handling behavior and ride comfort, the AJS Firefox 50 has a Steel frame with front suspension being Telescopic fork and at the rear, it is equipped with Single shock . Stock tire sizes are 3.50-12 on the front, and 3.50-12 on the rear. As for stopping power, the AJS Firefox 50 braking system includes Single disc size  at the front and Expanding brake (drum brake) size  at the back. 

AJS Firefox 50 General Information

Brand AJS 
Model AJS Firefox 50 
Start year 2015 
Year 2015 
Category Scooter 
Factory Warranty (Years / miles) 12 months parts and labour 

AJS Firefox 50 Dimensions, Aerodynamics and weight

Frame type Steel 
Seat details
Wheelbase 1,320 mm (52.0 inches) 
Seat Height 735 mm (28.9 inches) If adjustable, lowest setting. 
Alternate Seat Height
Ground Clearance
Trail size
Wheels details
Front Tyres - Rims dimensions 3.50-12 
Rear Tyres - Rims dimensions 3.50-12 
Front brakes Single disc 
Rear brakes Expanding brake (drum brake) 
Front Brakes Dimensions - Disc Dimensions
Rear Brakes Dimensions - Disc Dimensions
Curb Weight (including fluids)
Dry Weight 85.0 kg (187.4 pounds) 
Front Percentage of Weight
Rear Percentage of Weight
Weight-Power Output Ratio : 0.0353 HP/kg 
Fuel Tank Capacity 4.70 litres (1.24 gallons) 
Reserve Fuel Capacity
Carrying Details and Capacity Lockable storage space under the seat.. Rear rack. Optional top box. 
Front Suspension Telescopic fork 
Front Suspension Travel
Rear Suspension Single shock 
Rear Suspension Travel

AJS Firefox 50 Engine and Transmission Technical Data

Engine type - Number of cylinders Single cylinder, two-stroke 
Engine details
Fuel system Carburettor 
Engine size - Displacement - Engine capacity 49.00 ccm (2.99 cubic inches) 
Bore x Stroke 39.0 x 41.5 mm (1.5 x 1.6 inches) 
Compression Ratio
Number of valves per cylinder
Camshaft Valvetrain Configuration
Maximum power - Output - Horsepower 3.00 HP (2.2 kW)) @ 8000 RPM 
Maximum torque
Engine Maximum RPM
Cooling system Air 
Lubrication system
Engine oil capacity
Exhaust system
Gearbox Automatic 
Transmission type, final drive ratio Belt 
Clutch type
Driveline CVT Automatic 

AJS Firefox 50 Performance

Top Speed 49.9 km/h (31.0 mph) 
Acceleration 0 to 100 km/h (0 to 62 mph)
Acceleration 0 to 400m (1/4 mile)
Recuperation 60 to 140 km/h in highest gear
Fuel Consumption - MPG - Economy - Efficiency
CO2 emissions

AJS Firefox 50 Electrical Systems, Ignition and Equipment

Ignition Type
Electrical Details 12V 6Ah battery. 
Starter Type Electric & kick 
How much horsepower does a AJS Firefox 50 have?
The AJS Firefox 50 has 3.00 HP (2.2 kW)) @ 8000 RPM.

How fast is a AJS Firefox 50?
The AJS Firefox 50 top speed is 49.9 km/h (31.0 mph).

How much does a AJS Firefox 50 weighs?
The AJS Firefox 50 weighs 85.0 kg (187.4 pounds).

How tall (seat height) is a AJS Firefox 50?
The AJS Firefox 50 seat height is 735 mm (28.9 inches) If adjustable, lowest setting.

How many gears does a AJS Firefox 50 have?
The AJS Firefox 50 have Automatic gears.