Aprilia RS125 R (2009)

The Aprilia RS 125 R (2009) is a single cylinder, two-stroke motorcycle with a capacity of 124.8cc. It has a bore x stroke of 54 x 54.5mm and a compression ratio of 12.5:1. The bike is liquid cooled and has separate mixing with a volumetric pump for lubrication. It also features a Dell’Orto PHBH 28 carburetor and CDI electronic ignition. The bike has a maximum power of 21 kW / 28 hp at 10500 rpm and a maximum torque of 19 Nm / 1.9 kgf-m / 14.1 lb-ft at 9000 rpm. The transmission is six-speed with a wet, multi-disc clutch and chain final drive. The frame is made of cast aluminum with a reinforced box section and a sloping twin-spar frame. The front suspension is upside-down forks, 40mm with 120 mm / 4.7 in front wheel travel.

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Technical specifications:

Make Model: Aprilia RS 125 R

Year: 2009

Engine: Single cylinder, two stroke, reed valves induction, aluminium cylinder with Nikasil coated liner

Capacity: 124.8 cc / 7.5 cu in

Bore x Stroke: 54 x 54.5mm

Compression Ratio: 12.5:1

Cooling System: Liquid cooled

Lubrication: Separate mixing, volumetric pump

Induction: Dell’Orto PHBH 28 carburetor

Ignition: CDI electronic ignition

Starting: Electric

Alternator: 12V, 180W

Max Power: 21 kW / 28 hp @ 10500 rpm

Max Torque: 19 Nm / 1.9 kgf-m / 14.1 lb-ft @ 9000 rpm

Clutch: Wet, multi-disc

Transmission: 6 Speed

Final Drive: Chain

Gear Ratios: 1st 10:30 / 2nd 14:29 / 3rd 17:27 / 4th 19:25 / 5th 21:24 / 6th 22:23

Primary Drive: 63:19

Final Drive: 17:40

Frame: Cast aluminium, reinforced box section, sloping twin-spar frame

Front Suspension: Upside-down forks, 40mm

Front Wheel Travel: 120 mm / 4.7 in