2018 Aprilia RS4 125 Replica

2018 Aprilia RS4 125 Replica Specifications

  • Updated: 2023-03-20

General information

ModelAprilia RS4 125 Replica

Engine and transmission

Displacement124.8 ccm (7.62 cubic inches)
Engine typeSingle cylinder, four-stroke
Power15.0 HP (10.9 kW) @ 10500 RPM
Torque10.9 Nm (1.1 kgf-m or 8.0 ft.lbs) @ 8250 RPM
Bore x stroke58.0 x 47.0 mm (2.3 x 1.9 inches)
Valves per cylinder4
Fuel systemInjection. Magneti Marelli M3G ø 32mm ECU
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
IgnitionElectronic with CDI capacity discharge
Lubrication systemWet sump
Cooling systemLiquid
Transmission typeChain (final drive)
ClutchMulti-plate in oil bath.
DrivelinePrimary drive: Gearbox: 63/19 (3.31). Final drive: Chain: 17/40 (2.35).
Emission detailsEuro 3

Chassis, suspension, brakes and wheels

Frame typeAluminium perimeter
Front suspensionUpside down hydraulic fork
Front wheel travel110 mm (4.3 inches)
Rear suspensionAsymetric swingarm. Hydraulic monoshock with adjustable spring preload.
Rear wheel travel130 mm (5.1 inches)
Front tire110/80-R17
Rear tire130/70-R17
Front brakesSingle disc. Stainless steel disc with radial 4 piston calliper
Diameter300 mm (11.8 inches)
Rear brakesSingle disc. Single 30 mm piston
Diameter218 mm (8.6 inches)
WheelsLight alloy with 6 split spokes
Weight incl. oil, gas, etc120.0 kg (264.6 pounds)
Seat height820 mm (32.3 inches) If adjustable, lowest setting.
Overall height1135 mm (44.7 inches)
Overall length1968 mm (77.5 inches)
Overall width760 mm (29.9 inches)
Wheelbase1350 mm (53.1 inches)
Fuel capacity14.50 litres (3.83 US gallons)
Reserve fuel capacity3.30 litres (0.87 US gallons)
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