These are the known mechanical and performance specifications for your 2020 AJS Highway Star 125.
Basic Specs

Engine
Displacement124.0 ccm (7.57 cubic inches)
Type
DetailsSingle cylinder, four-stroke
Max RPM
Compression
Bore/Stroke54.0 x 54.0 mm (2.1 x 2.1 inches)
Valves/Cylinder
FuelingInjection. Delphi electronic fuel injection
IgnitionCoil CDI
Exhaust
Lubrication
CoolingAir
Performance
Horespower11.3 HP (8.2 kW) @ 9014 RPM
Torque9.4 Nm (1.0 kgf-m or 6.9 ft.lbs) @ 9000 RPM
Top Speed96.6 km/h (60.0 mph)
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity19.00 litres (5.02 US gallons)
Emissions
Chassis
Frame Type
Rake
Trail
Front SuspensionTelescopic fork
Front Travel
Rear SuspensionTwin shocks
Rear Travel
Seat
Seat Height710 mm (28.0 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1160 mm (45.7 inches)
Total Length2135 mm (84.1 inches)
Total Width810 mm (31.9 inches)
Ground Clearance
Wheelbase1460 mm (57.5 inches)
Dry Weight164.0 kg (361.6 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre120/80-17
Rear Tire/Tyre140/70-17
Front BrakesDouble disc
Front Brake Diameter300 mm (11.8 inches)
Rear BrakesSingle disc
Rear Brake Diameter240 mm (9.4 inches)
Wheels
Comments
Sold in the UK.