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Sport · 1962

Model 8 350

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MotoLibrary Score
38 /100 Commuter
Power/Weight
0.14 hp/kg
Engine
348 ccm

1962 AJS Model 8 350 Technical Analysis & Specification Breakdown

At the heart of the 1962 AJS Model 8 350 sport motorcycle, AJS utilizes a 348 cc (21.2 cu in) air-cooled single cylinder, four-stroke layout. In factory specification, peak output is rated at 21 HP (15.3 kW) at 6,250 rpm, transferring power to the rear wheel through chain final drive. With a specific output of 60.3 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the Model 8 350 measures 153 kg (337 lbs) dry, translating to a power-to-weight ratio of 0.14 HP/kg (7.29 kg per horsepower). The 12.5-liter (3.3 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Within MotoLibrary's AJS archive, this model family spans 4 indexed model years from 1960 to 1963, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Specific Output
60.3 HP/L
Power-to-Weight
0.14 HP/kg (7.29 kg/HP)
Engine
Displacement 348.0 ccm (21.23 cubic inches)
Engine Type Single cylinder, four-stroke
Engine Details Single cylinder, four-stroke
Power 21.0 HP (15.3 kW)) @ 6250 RPM
Compression 7.5:1
Bore x Stroke 72.0 x 82.5 mm (2.8 x 3.2 inches)
Fuel System Carburettor
Lubrication Wet sump
Cooling Air
Transmission
Final Drive Chain (final drive)
Clutch Wet multiplate
Chassis
Frame Type Single cradle-steel
Front Suspension Telescopic
Rear Suspension Swingarm-two shocks
Wheels & Brakes
Front Tyre 3.25-18
Rear Tyre 3.25-18
Front Brakes Expanding brake (drum brake)
Rear Brakes Expanding brake (drum brake)
Wheels Spoked
Dimensions & Weight
Dry Weight 153.0 kg (337.3 pounds)
Power/Weight 0.1373 HP/kg
Fuel Capacity 12.50 litres (3.30 US gallons)
Other
Starter Kick
More from AJS
Buying Checklist

Before You Compare This Bike

Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.

Power
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Weight
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Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Rider Profile

Who Is This Bike For?

🟢
Beginner
A2 license compatible, manageable power.
🏁
Best For
Sport & Track
⚖️
Handling
Manageable weight for most riders
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