14 August. Friday 2026
AJS Crazy Naked 50 - 2011 Specifications and Reviews
The 2011 AJS Crazy Naked 50 is an entry-level commuter scooter designed for new riders and urban users seeking affordable, practical transportation. Its lightweight 90kg frame, accessible 775mm seat height, and dual electric/kick starting make it user-friendly for beginners. Known for reliable, economical performance, it excels as a budget-conscious city runabout with a 12-month warranty.
2011
Engine and Transmission Specifications | |
| Clutch | Twist and go. |
| Transmission type,final drive | Belt |
| Gearbox | Automatic |
| Cooling system | Air |
| Ignition | Coil CDI |
| Fuel control | SOHC |
| Fuel system | Carburettor |
| Bore x stroke | 40.0 x 39.2 mm (1.6 x 1.5 inches) |
| Top speed | 48.3 km/h (30.0 mph) |
| Power | 3.49 |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 40.00 ccm (2.44 cubic inches) |
| Category | Scooter |
| Year | 2011 |
| Model | AJS Crazy Naked 50 |
| | |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Expanding brake (drum brake) |
| Front brakes | Single disc |
| Rear tyre dimensions | 130/70-12 |
| Front tyre dimensions | 120/70-12 |
| Rear suspension | Single shocks |
| Front suspension | Telescopic fork |
| Frame type | Steel |
Physical measures and capacities | |
| Fuel capacity | 5.00 litres (1.32 gallons) |
| Wheelbase | 1,290 mm (50.8 inches) |
| Seat height | 775 mm (30.5 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.0388 HP/kg |
| Dry weight | 90.0 kg (198.4 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Color options | Silver |
| Factory warranty | 12 months pars and labour |
| Electrical | 12V 6Ah battery |
| Starter | Electric & kick |
Performance Profile & Rider Fit
3.5 hp
Peak Power
30 mph
Top Speed
Best For
Track2%
City65%
Cornering20%
Daily Riding40%
Touring5%
Passenger10%
Rider Profile
| Best For | This is an entry-level moped-class scooter suited to complete beginners or younger riders with a restricted license. |
| Purpose | It is built purely for short, low-speed trips around town such as commuting to school or nearby errands. |
| Rider Fit | The very low seat height and light 90 kg weight make it easy to handle for riders of almost any size or strength. |
| Character | It has a playful, minimal 'crazy naked' styling but delivers negligible performance, with a top speed under 50 km/h. |
| Not Ideal For | It is not suitable for highway travel, touring, passenger carrying, or any rider seeking real speed or power. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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