These are the known mechanical and performance specifications for your 2011 Husqvarna WR125.
Basic Specs

Engine
Displacement124.82 ccm (7.62 cubic inches)
TypeExhaust powervalve
DetailsSingle cylinder, two-stroke
Max RPM
Compression
Bore/Stroke54.0 x 54.5 mm (2.1 x 2.1 inches)
Valves/Cylinder
FuelingCarburettor. Mikuni TMX38 Carburettor
Ignition
Exhaust
Lubrication
CoolingLiquid
Drivetrain
Gearbox
Final DriveChain
ClutchMulti plate, cable operation
Driveline6 speed constant mesh
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity8.10 litres (2.14 gallons)
Emissions
Chassis
Frame Type
Rake
Trail
Front Suspension48mm Kayaba USD
Front Travel300 mm (11.8 inches)
Rear SuspensionSachs Multi Adjustable Shock with Soft Damp Linkage
Rear Travel296 mm (11.7 inches)
Seat
Seat Height
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance
Wheelbase
Dry Weight
Wet Weight
Wheels & Brakes
Front Tire/Tyre
Rear Tire/Tyre
Front BrakesSingle disc
Front Brake Diameter260 mm (10.2 inches)
Rear BrakesSingle disc
Rear Brake Diameter240 mm (9.4 inches)
Wheels
Comments
Digital dash, street homologated.