These are the known mechanical and performance specifications for your 2020 AJS Tempest Roadster 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
Ignition
ExhaustStainless steel
Lubrication
CoolingAir
Performance
Horespower9.5 HP (6.9 kW) @ 8500 RPM
Torque9.5 Nm (1.0 kgf-m or 7.0 ft.lbs) @ 6500 RPM
Top Speed96.6 km/h (60.0 mph)
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity16.00 litres (4.23 US gallons)
Emissions
Chassis
Frame TypeSteel
Rake
Trail
Front SuspensionTelescopic fork
Front Travel
Rear SuspensionDual shocks
Rear Travel
Seat
Seat Height780 mm (30.7 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1110 mm (43.7 inches)
Total Length2040 mm (80.3 inches)
Total Width800 mm (31.5 inches)
Ground Clearance
Wheelbase1330 mm (52.4 inches)
Dry Weight124.0 kg (273.4 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre110/70-17
Rear Tire/Tyre130/70-17
Front BrakesSingle disc
Front Brake Diameter300 mm (11.8 inches)
Rear BrakesSingle disc
Rear Brake Diameter210 mm (8.3 inches)
WheelsAlloy wheel rims
Comments
Sold in the UK.