Aprilia Motorcycles
RS250 Specifications
Engine        
Configuration
rs1252krhs.jpg
2-stroke 90° V twin, liquid cooled. Sequential two-stage valve on the exhaust, electronically managed by a digital control unit and controlled by a "step-by-step" motor Gearbox 6 speed. Removeable cluster. Forced lubrication with volumetric pump.
Bore & Stroke 56 x 50.6 mm Clutch Wet multi-plate
Capacity 249 cc Lubrication
Compression Ratio 13.2:1 Starter Kick starter
Maximum Power Charging system
Maximum Torque
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 3.00 x 17"
Rear 4.50 x 17"
Dimensions  Weight: 141 kg.
Wheelbase: 1370 mm.
Length: 1980 mm.
Seat Height: 
Ground Clearance:
Tyres Front: 110/70 ZR 17"
Rear: 150/60 ZR 17"
Tubeless radials
Front Suspension Inverted Ø 40 mm, with adjustable rebound and compression damping, 120 mm travel. Brakes Front: Dual floating Ø 298 mm discs, 4 spot calipers differentiated diameter pistons.
Rear: Ø 220 mm
Rear suspension Magnesium alloy swingarm. Monoshock with resevoir, adjustable extension, compression and spring preloading. 130mm rear wheel travel. Fuel Capacity 16.5 litres (reserve 3 litres)

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