Ariel KH 500
1948Allround

Ariel KH 500

Key specifications

Engine
498 cc
Power
28 HP
Weight
177 kg
Fuel type
petrol
Fuel capacity
4.5 L
Transmission
4-speed
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)

Overview

### 1948 Ariel KH 500: A Timeless Classic for the Allround Rider The 1948 Ariel KH 500 stands as a remarkable testament to post-war motorcycle engineering, combining British craftsmanship with the spirit of versatility. As Ariel's flagship model in the allround category, the KH 500 was designed for riders seeking both performance and reliability in a single machine. With its elegant lines and distinctive red paint, this motorcycle not only commands attention but also offers a well-rounded riding experience, making it a favorite among enthusiasts and collectors alike. Following its acquisition by BSA in 1944, the Ariel brand was rejuvenated, and the KH 500 emerged as a symbol of innovation during a time of recovery and growth. At the heart of the Ariel KH 500 lies a robust 498 cc twin-cylinder, four-stroke engine that delivers a spirited 28.03 horsepower at 6,500 RPM. This power translates into a top speed of 145 km/h (90.1 mph), providing an exhilarating ride for those who crave adventure on two wheels. The engine's 7.5:1 compression ratio and air-cooled design ensure reliability, while the four-speed gearbox and dry plate clutch enable smooth shifting and responsive acceleration. Riders will appreciate the bike's nimble handling and balanced weight of 177 kg (390.2 pounds), which works harmoniously with the telescopic front forks and rigid rear suspension for a comfortable and confident riding experience on various terrains. The Ariel KH 500 is equipped with practical features that enhance both performance and rider comfort. Its duplex frame provides superior stability, while the reliable drum brakes, both front and rear, ensure effective stopping power. With a fuel capacity of 17 liters (4.49 gallons), this motorcycle is ready for long journeys, making it an ideal choice for those who enjoy exploring the open road. The classic kick starter adds a nostalgic touch, reminding riders of the simpler times of motorcycling. Overall, the KH 500 beautifully blends traditional engineering with the demands of the modern rider, making it a cherished classic. In summary, the 1948 Ariel KH 500 is not just a motorcycle; it's a piece of history that continues to capture the hearts of enthusiasts. Its blend of performance, style, and heritage makes it a worthy addition to any garage.

Pros

  • Versatile Performance: The 28.03 HP engine offers a balanced blend of power and efficiency, making it suitable for both city commuting and country cruising.
  • Classic Aesthetics: Its timeless design and vibrant red color make the KH 500 a standout piece in any motorcycle collection.
  • Solid Build Quality: The duplex frame and dependable drum brakes provide a sturdy ride, ensuring confidence on various road conditions.

Cons

  • Limited Modern Features: Lacking contemporary technology such as disc brakes and electronic ignition may deter some riders seeking cutting-edge performance.
  • Weight: At 177 kg, it may feel heavy for novice riders or those accustomed to lighter motorcycles.
  • Kick Start Only: While charming, the kick starter may pose a challenge for some, especially in adverse weather or when parked on an incline.

Technical details

Source specification data

Make
Ariel
Model
KH 500
Category
Allround
Starter
Kick
Comments
Ariel was bought by BSA in 1944.
Color Options
Red
Power
28.03 HP (20.5 kW)) @ 6500 RPM
Clutch
dry plate
Gearbox
4-speed
Ignition
Lucas
Top Speed
145.0 km/h (90.1 mph)
Fuel System
Carburettor
Bore X Stroke
56.0 x 86.0 mm (2.2 x 3.4 inches)
Compression
7.5:1
Displacement
498.00 ccm (30.39 cubic inches)
Cooling System
Air
Engine Details
Twin, four-stroke
Exhaust System
2-into-2 pipes
Lubrication System
Dry sump
Transmission Type Final Drive
Chain
Dry Weight
177.0 kg (390.2 pounds)
Fuel Capacity
17.00 litres (4.49 gallons)
Power Weight Ratio
0.1584 HP/kg
Seat
Solo seat
Wheels
Wire spoked
Rear Tyre
3.50-19
Frame Type
Duplex
Front Tyre
3.00-20
Rear Brakes
Expanding brake (drum brake)
Front Brakes
Expanding brake (drum brake)
Rear Suspension
Rigid
Front Suspension
Telescopic forks

Available colors

Red