Motorcycles Specs > AJS > AJS Crazy Naked 50

AJS Crazy Naked 50 Specs

The AJS Crazy Naked 50 model is a Scooter bike manufactured by AJS . In this version sold from year 2011 , the dry weight is 90.0 kg (198.4 pounds) and it is equipped with a Single cylinder, two-stroke motor. The engine produces a maximum peak output power of 3.49 HP (2.5 kW) @ 7000 RPM and a maximum torque of  . With this drive-train, the AJS Crazy Naked 50 is capable of reaching a maximum top speed of 48.3 km/h (30.0 mph) . On the topic of chassis characteristics, responsible for road holding, handling behavior and ride comfort, the AJS Crazy Naked 50 has a Steel frame with front suspension being Telescopic fork and at the rear, it is equipped with Single shocks . Stock tire sizes are 120/70-12 on the front, and 130/70-12 on the rear. As for stopping power, the AJS Crazy Naked 50 braking system includes Single disc size  at the front and Expanding brake (drum brake) size  at the back. 

AJS Crazy Naked 50 General Information

Brand AJS 
Model AJS Crazy Naked 50 
Start year 2011 
Year 2011 
Category Scooter 
Factory Warranty (Years / miles) 12 months pars and labour 

AJS Crazy Naked 50 Dimensions, Aerodynamics and weight

Frame type Steel 
Seat details
Wheelbase 1,290 mm (50.8 inches) 
Seat Height 775 mm (30.5 inches) If adjustable, lowest setting. 
Alternate Seat Height
Ground Clearance
Trail size
Wheels details
Front Tyres - Rims dimensions 120/70-12 
Rear Tyres - Rims dimensions 130/70-12 
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 90.0 kg (198.4 pounds) 
Front Percentage of Weight
Rear Percentage of Weight
Weight-Power Output Ratio : 0.0388 HP/kg 
Fuel Tank Capacity 5.00 litres (1.32 gallons) 
Reserve Fuel Capacity
Carrying Details and Capacity
Front Suspension Telescopic fork 
Front Suspension Travel
Rear Suspension Single shocks 
Rear Suspension Travel

AJS Crazy Naked 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 40.00 ccm (2.44 cubic inches) 
Bore x Stroke 40.0 x 39.2 mm (1.6 x 1.5 inches) 
Compression Ratio
Number of valves per cylinder
Camshaft Valvetrain Configuration SOHC 
Maximum power - Output - Horsepower 3.49 HP (2.5 kW) @ 7000 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 Twist and go. 

AJS Crazy Naked 50 Performance

Top Speed 48.3 km/h (30.0 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 Crazy Naked 50 Electrical Systems, Ignition and Equipment

Ignition Type Coil CDI 
Electrical Details 12V 6Ah battery 
Starter Type Electric & kick 
How much horsepower does a AJS Crazy Naked 50 have?
The AJS Crazy Naked 50 has 3.49 HP (2.5 kW) @ 7000 RPM.

How fast is a AJS Crazy Naked 50?
The AJS Crazy Naked 50 top speed is 48.3 km/h (30.0 mph).

How much does a AJS Crazy Naked 50 weighs?
The AJS Crazy Naked 50 weighs 90.0 kg (198.4 pounds).

How tall (seat height) is a AJS Crazy Naked 50?
The AJS Crazy Naked 50 seat height is 775 mm (30.5 inches) If adjustable, lowest setting.

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