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MotoLibrary Score
36/100Commuter
Power/Weight
0.07 hp/kg
Top Speed
97 km/h
Torque
9 Nm
Engine
124 ccm
Technical Overview
2020 Ajs Highway Star 125 Technical Analysis & Specification Breakdown
Engineered by Ajs for the allround motorcycle segment, the 2020 Ajs Highway Star 125 pairs a 124 cc (7.6 cu in) air-cooled single cylinder, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 11.3 HP (8.2 kW) at 9,014 rpm while maximum torque reaches 9.4 Nm (6.9 lb-ft) at 9,000 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 91.1 HP per liter and a 14 rpm working window between peak torque (9,000 rpm) and peak power (9,014 rpm), the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the Highway Star 125 measures 164 kg (362 lbs) dry, translating to a power-to-weight ratio of 0.07 HP/kg (14.51 kg per horsepower). Rider ergonomics and chassis geometry center around a 710 mm (28 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,460 mm (57.5 in) wheelbase engineered for balanced agility and highway composure. The 19-liter (5 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 97 km/h (60 mph).
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.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
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.
