These are the known mechanical and performance specifications for your 2021 Aprilia RS 125.
ModelAprilia RS 125
Displacement124.2 ccm (7.58 cubic inches)
DetailsSingle cylinder, four-stroke
Bore/Stroke58.0 x 47.0 mm (2.3 x 1.9 inches)
FuelingCarburettor. Magneti Marelli M3G ø 32mm ECU
IgnitionElectronic with CDI capacity discharge
ClutchMultiple discs, in oil bath
DrivelinePrimary drive: Gearbox: 63/19 (3.31). Final drive: Chain: 17/40 (2.35).
Fuel Economy & Polution
Fuel Capacity14.50 litres (3.83 US gallons)
Frame TypeAluminium perimeter
Front SuspensionUpside down hydraulic fork, 41 mm.
Front Travel110 mm (4.3 inches)
Rear SuspensionSwingarm. Hydraulic monoshock with adjustable spring preload.
Rear Travel120 mm (4.7 inches)
Seat Height820 mm (32.3 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1135 mm (44.7 inches)
Total Length1968 mm (77.5 inches)
Total Width760 mm (29.9 inches)
Wheelbase1353 mm (53.3 inches)
Wheels & Brakes
Front BrakesSingle disc. ABS. Stainless steel disc with radial 4 piston calliper
Front Brake Diameter300 mm (11.8 inches)
Rear BrakesSingle disc. Stainless steel disc and calliper with single 30 mm piston.
Rear Brake Diameter218 mm (8.6 inches)
WheelsAluminium alloy rims
It appears you're interested in specifications for the Aprilia RS 125. This Sport model is powered by a Single cylinder, four-stroke engine with 124.2 ccm (7.58 cubic inches) of actual displacement before 12.5:1 compression. Fueling is metered via Carburettor. Magneti Marelli M3G ø 32mm ECU allowing this machine to produce its 28.2 HP (20.6 kW) horsepower and torque. According to our records engine heat of the Aprilia RS 125 is moderated by Liquid. You'll need to get familiar with the 6-speed transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is 100/80-R17 and the rear is 130/70-R17 . The entire package is supported by the frame, Aluminium perimeter. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. ABS. Stainless steel disc with radial 4 piston calliper front brakes and Single disc. Stainless steel disc and calliper with single 30 mm piston. rear brakes. The Aprilia RS 125 was launched in 2021, and we're happy to know (or assume) you've got one in your garage. To help you keep your ride in tip-top shape, consider purchasing an owner or service manual.