Aprilia RS 125 R Extrema (1994-95)

The Aprilia RS 125R Extrema is a 125 cc, single cylinder, two stroke motorcycle with a liquid cooling system and reed valves induction. Its engine has a bore of 54mm and a compression ratio of 14.5:1. The bike has an electronic ignition system, 6 speed transmission, and a chain final drive. It produces a max power of 24.8 kW at 11000 rpm and max torque of 25 Nm at 9000 rpm. The suspension consists of upside-down forks and a monoshock, which provide 120 mm of travel for both front and rear wheels. The braking system includes single discs for the front and rear wheels, with 4 and 2 piston calipers respectively. The bike has a front tyre size of 110/70-17 and a rear tyre size of 150/60-17. It weighs 115 kg and is capable of reaching a top speed of around 120 km/h.

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Technical specifications:

Make Model: Aprilia RS 125R Extrema

Year: 1994 – 95

Engine: Single cylinder, two stroke, reed valves induction

Capacity: 125 cc / 7.6 cu in

Bore x Stroke: 54 x 54.5mm

Compression Ratio: 14.5:1

Cooling System: Liquid cooled

Induction: Dell’Orto VHSB 34LD

Ignition: Electronic

Starting: Electric

Max Power: 24.8 kW / 34 hp @ 11000 rpm

Max Torque: 25 Nm / 2.5 kgf-m / 18.4 lb-ft @ 9000 rpm

Transmission: 6 Speed

Final Drive: Chain

Front Suspension: Upside-down forks, 40mm

Front Wheel Travel: 120 mm / 4.7 in

Rear Suspension: Monoshock

Rear Wheel Travel: 120 mm / 4.7 in

Front Brakes: Single 320 mm discs, 4 piston caliper

Rear Brakes: Single 240 mm disc, 2 piston caliper

Front Tyre: 110/70-17

Rear Tyre: 150/60-17

Dry Weight: 115 kg / 254 lbs