1962 AJS Model 14 250 Technical Analysis & Specification Breakdown
At the heart of the 1962 AJS Model 14 250 sport motorcycle, AJS features a 248 cc (15.1 cu in) air-cooled single cylinder, four-stroke configuration. In factory specification, peak output is rated at 17 HP (12.4 kW) at 7,250 rpm, transferring power to the rear wheel through chain final drive. With a specific output of 68.5 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 14 250 measures 149 kg (328 lbs) dry, translating to a power-to-weight ratio of 0.11 HP/kg (8.76 kg per horsepower). Rider ergonomics and chassis geometry center around a 760 mm (29.9 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,345 mm (53 in) wheelbase engineered for quick, flickable steering geometry. 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 6 indexed model years from 1960 to 1965, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
68.5 HP/L
Power-to-Weight
0.11 HP/kg (8.76 kg/HP)
Standover Height
760 mm (29.9 in)
Engine
Displacement248.0 ccm (15.13 cubic inches)
Engine TypeSingle cylinder, four-stroke
Power17.0 HP (12.4 kW)) @ 7250 RPM
Compression7.8:1
Bore x Stroke69.9 x 64.9 mm (2.8 x 2.6 inches)
Fuel SystemCarburettor
Fuel ControlOverhead Valves (OHV)
CoolingAir
Transmission
Final DriveChain (final drive)
ClutchWet multiplate
Chassis
Frame TypeOpen tubular steel
Front SuspensionTelescopic
Rear SuspensionSwingarm-two shocks
Wheelbase1345 mm (53.0 inches)
Ground Clearance140 mm (5.5 inches)
Wheels & Brakes
Front Tyre3.25-17
Rear Tyre3.25-17
Front BrakesExpanding brake (drum brake)
Front Brake Ø152 mm (6.0 inches)
Rear BrakesExpanding brake (drum brake)
Rear Brake Ø152 mm (6.0 inches)
WheelsSpoked
Dimensions & Weight
Dry Weight149.0 kg (328.5 pounds)
Power/Weight0.1141 HP/kg
Seat Height760 mm (29.9 inches) If adjustable, lowest setting.
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
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
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.
