AJS Model 20 500 1957 - Specifications & Review
Article Complete Info
| Articleid | 247744 |
|---|---|
| Category | Allround |
| Make | AJS |
| Model | Model 20 500 |
| Year | 1957 |
Chassis, Suspension, Brakes & Wheels
| Frametype | Single cradle |
|---|---|
| Frontbrakes | Expanding brake (drum brake) |
| Frontsuspension | Telescopic |
| Fronttyre | 3.25-19 |
| Rearbrakes | Expanding brake (drum brake) |
| Rearsuspension | Twin shock |
| Reartyre | 3.25-19 |
| Seat | Dual |
| Wheels | Spoked |
Engine & Transmission
| Borexstroke | 66.0 x 72.8 mm (2.6 x 2.9 inches) |
|---|---|
| Clutch | Wet multiplate |
| Compression | 7.0:1 |
| Coolingsystem | Air |
| Displacement | 498.00 ccm (30.39 cubic inches) |
| Enginedetails | Twin, four-stroke |
| Fuelsystem | Carburettor |
| Ignition | Magneto |
| Power | 20.00 HP (14.6 kW)) @ 6800 RPM |
| Topspeed | 137.0 km/h (85.1 mph) |
| Transmissiontypefinaldrive | Chain |
Other Specifications
| Starter | Kick |
|---|
Physical Measures & Capacities
| Dryweight | 178.0 kg (392.4 pounds) |
|---|---|
| Fuelcapacity | 13.50 litres (3.57 gallons) |
| Powerweightratio | 0.1124 HP/kg |
About AJS Model 20 500 1957
Introducing the quintessential classic motorcycle of the late 1950s, the 1957 AJS Model 20 500, a versatile all-rounder that elegantly marries vintage charm and practical performance. As AJS transitioned into the era of modern motorcycling, the Model 20 stood out with its sleek design and robust build, appealing to both seasoned riders and newcomers alike. With its impressive lineage, the Model 20 is not just a motorcycle; it's a piece of history that resonates with those who appreciate the artistry of engineering and the thrill of the ride.
At the heart of the AJS Model 20 500 lies a capable 498cc twin-cylinder, four-stroke engine that generates an admirable 20 horsepower at 6,800 RPM. This power translates into a top speed of 85.1 mph, making it an exhilarating choice for both daily commuting and weekend adventures. The engine's 7.0:1 compression ratio and air-cooling system showcase its reliability, while the wet multiplate clutch ensures smooth engagement and transitions. Riders will appreciate the responsive handling provided by the telescopic front suspension and twin shock rear, making every ride a delightful experience, whether navigating city streets or cruising on open highways.
The AJS Model 20 is not just about performance; it also boasts a range of features that enhance the riding experience. The single cradle frame offers stability and strength, while the drum brakes on both the front and rear provide dependable stopping power. With a fuel capacity of 13.5 liters, this motorcycle is designed for longer journeys, allowing enthusiasts to enjoy the open road without frequent stops. Notably, the kick starter adds an element of nostalgia and simplicity, connecting riders with the classic spirit of motorcycling.
Pros:
- Classic Aesthetic: The 1957 AJS Model 20's design exudes vintage charm, appealing to collectors and enthusiasts alike.
- Dependable Performance: The robust engine delivers a satisfying mix of power and efficiency, perfect for various riding conditions.
- Comfortable Ride: The combination of telescopic front forks and dual rear shocks ensures a smooth and enjoyable ride.
Cons:
- Limited Power: With only 20 HP, it may struggle to keep up with modern traffic on faster highways.
- Drum Brakes: The outdated drum brake system may not provide the same stopping power and responsiveness as contemporary disc brakes.
- Kick Start Only: The absence of an electric starter may deter some riders who prefer the convenience of modern starting systems.
In conclusion, the 1957 AJS Model 20 500 stands as a testament to the golden age of motorcycling, where style and substance harmoniously coexist. Whether you're a vintage motorcycle aficionado or simply drawn to its classic allure, this motorcycle promises an engaging ride filled with history and character.