Aprilia RS4125 Biaggi Racing Replica

Aprilia RS4125 Biaggi Racing Replica
Manufacturer	Aprilia
Production	2012
Engine	Four stroke, single cylinder, DOHC, 4 valves
Compression ratio	12.5 ± 0.5:1
Ignition	Electronic with CDI capacity discharge
Transmission	6 Speed
Frame	Aluminum perimeter frame
Suspension	Front: Ø41 mm Upside down fork Rear: Asymmetric swingarm with monoshock
Brakes	Front: Single Ø300 mm disc, 4 piston caliper Rear: Single Ø218 mm disc, 1 piston caliper
Front Tire	110/80 –17
Rear Tire	130/70 –17
Wheelbase	1350 mm / 53.1 in
Seat Height	820 mm / 32.3 in
Weight	120 kg / 264.6 lbs (wet)
Fuel Capacity	14.5 Liters / 3.8 gal
Manuals	Service Manual

Engine

The engine was a Liquid cooled cooled Four stroke, single cylinder, DOHC, 4 valves. The engine featured a 12.5 ± 0.5:1 compression ratio.

Drive

Power was moderated via the Multiple discs, in oil bath.

Chassis

It came with a 110/80 –17 front tire and a 130/70 –17 rear tire. Stopping was achieved via Single Ø300 mm disc, 4 piston caliper in the front and a Single Ø218 mm disc, 1 piston caliper in the rear. The front suspension was a Ø41 mm Upside down fork while the rear was equipped with a Asymmetric swingarm with monoshock. The RS4125 Biaggi Racing Replica was fitted with a 14.5 Liters / 3.8 gal fuel tank. The wheelbase was 1350 mm / 53.1 in long.

Photos

Overview

Aprilia RS4 125 Biaggi Replica

The 2012 Aprilia RS4 125 SBK replica, featuring a Max Biaggi replica paint scheme.

As well as the Biaggi paint scheme, the RS4 now comes with Pirelli Diablo Rossi II tires, wavy discs, quickshifter and single seat cowl.

For the first time on a 125cc bike, the company provides the groundbreaking Aprilia Quick Shift system, an advanced technological solution derived directly from its large sister, RSV4 APRC. It launches 2 brand new small powerplant super sportbikes designed and engineered for young bikers and the fruit of exceptional sport and technical experience that as brought the marque from Noale to be the most victorious European and Italian manufacturing company of bike marques active in world competitions.

The 2012 Aprilia RS4 125 is the first motorcycle of the company in this segment with a four-stroke engine and enables young enthusiasts to take advantage of the maximum levels of chassis efficiency, technological innovation, component quality and active safety.

Make Model	Aprilia RS4 125 Biaggi Racing Replica
Year	2012
Engine Type	Four stroke, single cylinder, DOHC, 4 valves
Displacement	124.8 cc / 7.6 cu in
Bore X Stroke	58 X 47 mm
Cooling System	Liquid cooled
Compression	12.5 ± 0.5:1
Induction	Electronic injection
Ecu	Magneti Marelli MIU G3, Ø32 mm
Ignition	Electronic with CDI capacity discharge
Emission Standard	Euro 3
Starting	Electric
Max Power	11.7 kW / 16 hp @ 10500 rpm
Max Torque	11 Nm / 1.12 kgf-m / 8.1 ft/lb @ 8500 rpm
Clutch	Multiple discs, in oil bath
Transmission	6 Speed
Final Drive	Chain
Gear Ratio	1st 11/33 (0.33) / 2nd 15/30 (0.50) / 3rd 18/27 (0.67) / 4th 20/24 (0.83) / 5th 25/27 (0.92) / 6th 23/22 (1.05)
Frame	Aluminum perimeter frame
Front Suspension	Ø41 mm Upside down fork
Front Wheel Travel	110 mm / 4.3 in
Rear Suspension	Asymmetric swingarm with monoshock
Rear Wheel Travel	130 mm / 5.1 in
Front Brakes	Single Ø300 mm disc, 4 piston caliper
Rear Brakes	Single Ø218 mm disc, 1 piston caliper
Front Tire	110/80 –17
Rear Tire	130/70 –17
Dimensions	Length: 1953 mm / 76.8 in Width: 740 mm / 29.1 in Height: 1138 mm / 44.6 in
Wheelbase	1350 mm / 53.1 in
Seat Height	820 mm / 32.3 in
Wet Weight	120 kg / 264.6 lbs
Fuel Capacity	14.5 Liters / 3.8 gal

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