20 July. Friday 2018

Aprilia RS4 125 - 2015 Specifications and Reviews

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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

Category:Sport
Year:2015
Model:Aprilia RS4 125
   

Engine and Transmission Specifications

Driveline:Primary drive: Gearbox: 63/19 (3.31). Final drive: Chain: 17/40 (2.35).
Clutch:Multi-plate in oil bath.
Transmission type,final drive:Chain
Gearbox:6-speed
Cooling system:Liquid
Lubrication system:Wet sump
Ignition:Electronic with CDI capacity discharge
Fuel system:Injection
Valves per cylinder:4
Bore x Stroke:58.0 x 47.0 mm (2.3 x 1.9 inches)
Compression:12.5:1
Torque:10.90 Nm (1.1 kgf-m or 8.0 ft.lbs) @ 8250 Revolutions">RPM
Power:15.00 Horsepower">HP (10.9 Kilowatt">kW)) @ 10500 Revolutions">RPM
Engine type:Single cylinder, four-stroke
Capacity:124.80 ccm (7.62 cubic inches)

Brakes, suspension, Frame and wheels

Wheels:Light alloy with 6 split spokes
Rear brakes diameter:220 mm (8.7 inches)
Rear brakes:Single disc. Single 30 mm piston
Front brakes diameter:300 mm (11.8 inches)
Front brakes:Single disc. Stainless steel disc with radial 4 piston calliper
Rear tyre:130/70-R17
Front tyre:110/80-R17
Rear wheel travel:122 mm (4.8 inches)
Rear Suspension:Swingarm. Hydraulic monoshock with adjustable spring preload.
Front wheel travel:110 mm (4.3 inches)
Front Suspension:Upside down hydraulic fork, 40 mm.
Frame type:Aluminium perimeter frame

Physical measures and capacities

Reserve fuel capacity:3.50 litres (0.92 gallons)
Fuel capacity:14.50 litres (3.83 gallons)
Wheelbase:1,350 mm (53.1 inches)
Overall width:740 mm (29.1 inches)
Overall length:1,955 mm (77.0 inches)
Seat height:820 mm (32.3 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc:120.0 kg (264.6 pounds)

Other specs

Starter:Electric
Color options:Black, yellow

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