These are the known mechanical and performance specifications for your 2008 Rieju RS2 Pro 125 Black Edition.
Basic Specs

Engine
Displacement125.00 ccm (7.63 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
FuelingCarburettor. Mikuni VM20SS
Ignition
ExhaustExhaust pipe with stainless steel silencer
Lubrication
CoolingAir
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity10.40 litres (2.75 gallons)
Emissions
Chassis
Frame TypeTriangular double cradle double steel tube
Rake
Trail
Front SuspensionShowa inverted fork
Front Travel
Rear SuspensionGas Mono-shock shock absorber and separate bottle
Rear Travel
Seat
Seat Height800 mm (31.5 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height
Total Length1,900 mm (74.8 inches)
Total Width
Ground Clearance
Wheelbase1,300 mm (51.2 inches)
Dry Weight109.5 kg (241.4 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre100/80-17
Rear Tire/Tyre130/80-17
Front BrakesSingle disc
Front Brake Diameter
Rear BrakesSingle disc
Rear Brake Diameter
Wheels
Comments
Limited edition.