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MotoLibrary Score
36/100Commuter
Power/Weight
0.12 hp/kg
Engine
320 ccm
Technical Overview
2015 AJS Eos 350 Technical Analysis & Specification Breakdown
Engineered by AJS for the custom - cruiser motorcycle segment, the 2015 AJS Eos 350 relies on a 320 cc (19.5 cu in) liquid-cooled twin, four-stroke powerplant. In factory specification, peak output is rated at 23 HP (16.8 kW) at 8,000 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 71.9 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 Eos 350 measures 191 kg (421 lbs) dry, translating to a power-to-weight ratio of 0.12 HP/kg (8.3 kg per horsepower). Rider ergonomics and chassis geometry center around a 640 mm (25.2 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,860 mm (73.2 in) wheelbase engineered for planted straight-line stability. The 14-liter (3.7 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Specific Output
71.9 HP/L
Power-to-Weight
0.12 HP/kg (8.3 kg/HP)
Standover Height
640 mm (25.2 in)
Engine
Displacement320.0 ccm (19.53 cubic inches)
Engine TypeTwin, four-stroke
Engine DetailsTwin, four-stroke
Power23.0 HP (16.8 kW)) @ 8000 RPM
Bore x Stroke62.0 x 53.0 mm (2.4 x 2.1 inches)
Fuel SystemCarburettor
Fuel ControlSingle Overhead Cams (SOHC)
IgnitionCoil CDI
CoolingLiquid
Transmission
Gearbox5-speed
Final DriveChain (final drive)
ClutchWet, multiplate, hand operated
Chassis
Front SuspensionTelescopic fork
Rear SuspensionHard look rear end. Twin shocks
Wheelbase1860 mm (73.2 inches)
Wheels & Brakes
Front Tyre80/90-21
Rear Tyre160/80-16
Front BrakesDouble disc
Rear BrakesSingle disc
Dimensions & Weight
Dry Weight191.0 kg (421.1 pounds)
Power/Weight0.1204 HP/kg
Seat Height640 mm (25.2 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.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
