Aprilia RS250

Specifications - 2001 Model

Engine

Configuration 2-stroke 90° V twin, liquid cooled. Sequential three-stage valve on the exhaust, electronically managed by a digital control unit and controlled by a "step-by-step" motor

Bore & Stroke 56 x 50.6 mm

Capacity 249 cc

Compression Ratio 12.5:1

Gearbox 6 speed. Removable cluster.

Clutch Wet multi-plate

Lubrication Forced lubrication with volumetric pump.

Starter Kick starter

Fuel Mikuni TM 34 SS flatslides, with electronic management by electrovalves that section the maximum air passages and the idling circuits

Ignition CDI digital, with advance mapping programmed on three parameters (opening of carburettor valves, opening speed and engine rpm)

Chassis

Frame Inclined double beam, magnesium alloy.

Wheels Aluminium alloy, with 5 tangential spokes. Front 3.50 x 17" Rear 4.50 x 17"

Dimensions Weight: 140 kg. Wheelbase: 1365 mm. Length: 1980 mm.

Tyres Front: 120/60 ZR 17" Rear: 150/60 ZR 17" Tubeless radials

Front Suspension Inverted Ø 41 mm, with adjustable rebound and compression damping, 120 mm travel.

Rear suspension Magnesium alloy swingarm. Monoshock with resevoir, adjustable extension, compression and spring preloading. 130mm rear wheel travel.

Fuel Capacity 19.5 litres (reserve 3 litres)

Brakes Front: Dual floating Ø 298 mm discs, 4 spot Brembo calipers differentiated diameter pistons. Rear: Ø 220 mm

Colour Schemes Yellow and Grey;Silver/Red/Black

Source: John Sample Group

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