These are the known mechanical and performance specifications for your 2018 Keeway RCS 125.
Basic Specs

Engine
Displacement124.80 ccm (7.62 cubic inches)
Type
DetailsSingle cylinder, four-stroke
Max RPM
Compression9.2:1
Bore/Stroke52.4 x 57.8 mm (2.1 x 2.3 inches)
Valves/Cylinder
FuelingCarburettor
IgnitionC.D.I
Exhaust
LubricationPressure splash lubrication
CoolingAir
Performance
Horespower8.72 HP (6.4 kW)
Torque9.50 Nm (1.0 kgf-m or 7.0 ft.lbs)
Top Speed
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity3.90 litres (1.03 gallons)
Emissions
Chassis
Frame TypeStraddle type
Rake
Trail
Front SuspensionTelescopic
Front Travel
Rear SuspensionDual shocks
Rear Travel
Seat
Seat Height785 mm (30.9 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1,014 mm (39.9 inches)
Total Length1,834 mm (72.2 inches)
Total Width673 mm (26.5 inches)
Ground Clearance
Wheelbase1,258 mm (49.5 inches)
Dry Weight99.0 kg (218.3 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre70/90-17
Rear Tire/Tyre80/90-17
Front BrakesSingle disc
Front Brake Diameter
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter
Wheels
Comments
Sold in Asia.