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Aprilia RS4 125 - 2013 Specifications and Reviews

5 stars Average rating: 5 from 1 votes
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Intresting Fact:
At the point the RS4 125 was launched over 100,000 of its predecessor (RS125) had been sold
Replacement for the: 2011 Aprilia RS125

About the Aprilia RS4 125

Launched in 2011, the four stroke RS4 125 is the bigger brother to the Aprilia RS4 50 and is based on the Derbi GPR125.

A race kit is available which boosts the power from 14.8bhp to 25bhp.

Styling is based on the RSV4 superbike. There is also an optional RSV4 style quick shift system available.

General information

CategorySport
Year2013
ModelAprilia RS4 125

Engine and Transmission Specifications

Emission detailsEuro 3
DrivelinePrimary drive: Gearbox: 63/19 (3.31). Final drive: Chain: 17/40 (2.35).
ClutchMulti-plate in oil bath.
Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
Lubrication systemWet sump
IgnitionElectronic with CDI capacity discharge
Fuel systemInjection
Valves per cylinder4
Bore x stroke58.0 x 47.0 mm (2.3 x 1.9 inches)
Compression12.5:1
Power16.04
Engine typeSingle cylinder, four-stroke
Capacity:124.80 ccm (7.62 cubic inches)

Brakes, suspension, Frame and wheels

WheelsLight alloy with 6 split spokes
Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc. Single 30 mm piston
Front brakes diameter300 mm (11.8 inches)
Front brakesSingle disc. Stainless steel disc with radial 4 piston calliper
Rear tyre dimensions130/70-R17
Front tyre dimensions110/80-R17
Rear suspension travel130 mm (5.1 inches)
Rear suspensionSwingarm. Hydraulic monoshock with adjustable spring preload.
Front suspension travel110 mm (4.3 inches)
Front suspensionUpside down hydraulic fork, 40 mm.
Frame typeAluminium perimeter frame
 
 

Physical measures and capacities

Reserve fuel capacity3.50 litres (0.92 gallons)
Fuel capacity14.50 litres (3.83 gallons)
Wheelbase1,350 mm (53.1 inches)
Overall width740 mm (29.1 inches)
Overall length1,955 mm (77.0 inches)
Overall height1,138 mm (44.8 inches)
Seat height820 mm (32.3 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc120.0 kg (264.6 pounds)

Other specs

Color optionsRacing black, Racing white
StarterElectric

Rider Reviews

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