Back to Bike FinderYears: 1963 · 1962 · 1961 · 1960
AJS Model 8 350
1963Sportbike

AJS Model 8 350

Key specifications

Engine
348 cc
Power
21 HP
Weight
153 kg
Fuel type
petrol
Fuel capacity
3.3 L
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)

Overview

Introducing the 1963 AJS Model 8 350, a remarkable piece of motorcycle history that perfectly encapsulates the spirit of the early 1960s sport bike. AJS, a brand synonymous with quality and performance, crafted this model to appeal to both seasoned riders and newcomers alike. With its sleek lines and classic design, the Model 8 350 was positioned as a nimble and stylish choice for riders seeking an exhilarating experience on the open road or a thrilling trek through winding country lanes. As part of the sport category, its appeal lies in its impressive balance of power and agility, making it a true contender in the lightweight motorcycle segment. At the heart of the AJS Model 8 350 lies a robust single-cylinder, four-stroke engine, boasting a displacement of 348 cc and delivering a commendable 21 horsepower at 6,250 RPM. This power output, combined with a 7.5:1 compression ratio, allows the bike to achieve spirited acceleration while maintaining smooth performance. The air-cooled engine is fed by a carburettor, ensuring a responsive throttle and an engaging riding experience. Riders will appreciate the Model 8's lightweight frame, tipping the scales at just 153 kg (337.3 pounds), which enhances its agility and maneuverability, making it an ideal companion for both spirited rides and everyday commuting. Among its standout features, the 1963 AJS Model 8 350 is equipped with a reliable kick starter, a nod to the traditional motorcycle experience that adds a sense of nostalgia for enthusiasts. The bike’s suspension system, featuring a telescopic front and swingarm with dual shocks at the rear, ensures a comfortable ride over various terrains. The expanding drum brakes, both front and rear, provide adequate stopping power, instilling confidence in the rider. With a fuel capacity of 12.5 liters (3.30 gallons), the Model 8 strikes a balance between performance and range, allowing for enjoyable longer rides without frequent stops. **

Pros

  • Lightweight and nimble design enhances maneuverability and handling.
  • Reliable engine performance with sufficient power for spirited rides.
  • Classic styling and nostalgic features appeal to vintage motorcycle enthusiasts.

Cons

  • Drum brakes may lack the stopping power of modern disc brakes, especially in emergency situations.
  • Limited power output may not satisfy riders seeking high-performance capabilities.
  • Kick start may be challenging for some, particularly in difficult conditions or for novice riders.

Technical details

Source specification data

Make
AJS
Model
Model 8 350
Category
Sport
Starter
Kick
Power
21.00 HP (15.3 kW)) @ 6250 RPM
Fuel System
Carburettor
Bore X Stroke
72.0 x 82.5 mm (2.8 x 3.2 inches)
Compression
7.5:1
Displacement
348.00 ccm (21.23 cubic inches)
Cooling System
Air
Engine Details
Single cylinder, four-stroke
Lubrication System
Wet sump
Transmission Type Final Drive
Chain
Dry Weight
153.0 kg (337.3 pounds)
Fuel Capacity
12.50 litres (3.30 gallons)
Power Weight Ratio
0.1373 HP/kg
Seat
Dual
Wheels
Spoked
Rear Tyre
3.25-18
Front Tyre
3.25-18
Rear Brakes
Expanding brake (drum brake)
Front Brakes
Expanding brake (drum brake)
Rear Suspension
Swingarm-two shocks
Front Suspension
Telescopic