Aprilia RS 250 (2002-03)

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The Aprilia RS 250 motorcycle was produced from 2002-03 and had a two-stroke, 90-degree V-twin cylinder engine with a capacity of 249cc. It had a liquid cooling system and a compression ratio of 12.00:1. The bike was compatible with lead-free petrol with a minimum R.O.N. of 95 and required IP MAX 2T COMPETITION engine oil or any high-quality oil meeting API TC++ specifications. The ignition was CDI and the bike had a kick-start. The clutch was an oil-bath, multiple-disc, with lever control on the handlebars and the transmission was a six-speed, direct drive. The final drive was a chain, sealed, jointless, DID 520 V6. The front suspension was an inverted fork with an adjustable rebound and compression damping and the rear suspension was a magnesium alloy swingarm with a monoshock with a reservoir. The front and rear brakes were both disc brakes and the bike had a 25-degree rake. Its top speed was 209.5 km/h or 130.2 mph. It weighed 167 kg or 368 lbs wet and had a fuel capacity of 16.5 L or 4.4 US gal with a reserve of 3.5 L or 0.9 US gal. Its standing 1/4 mile time was 12.5 seconds with a top speed of 172.5 km/h or 107.2 mph.

Technical specifications:

Make Model: Aprilia RS 250

Year: 2002 – 03


Engine: Two stroke, 90 degrees V twin-cylinder, with laminar suction and exhaust valve. Separate lubrication with variable automatic mixer
Capacity: 249 cc / 15.2 cu in
Bore x Stroke: 56 x 50.6 mm
Cooling System: Liquid cooled
Compression Ratio: 12.00 (+/- 0.7): 1
Lubrication: Oil pump with separate circuit
Induction: 2 x ~A34 mm Mikuni 34 SS flat side carburetors
Fuel Type: Lead-free petrol, R.O.N. minimum 95
Engine Oil Recommendation: IP MAX 2T COMPETITION, or any high-quality oil meeting the ISO-L-ETC++ or API TC++ specifications
Air Filter: With polyurethane filter element
Ignition: CDI
Spark Plug: (tandard – NGK BR9ECM, racing – NGK BR10ECM, cold climate – NGK BR8ECM
Battery: 12v 4Ah
Starting: Kick
Max Power: 52.9 kW / 72.5 hp @ 11900 rpm

Max Power Rear Tyre: 47.2 kW / 64.3 hp @ 10400 rpm
Max Torque: 40 Nm / 4.08 kgf-m / 29.5 lb/ft @ 10750 rpm
Clutch: Oil bath, multiple-disc, with lever control on handlebars
Transmission: 6 Speed, direct drive
Gear box oil Recommendation: IP FC, SAE 75W-90, or any high-quality oil meeting the API GL-4 specification
Final Drive: Chain, sealed, jointless, DID 520 V6
Gear Change: With pedal (L), 1st low, other 5 high
Final Reduction: 14:42 (1:3.0)
Gear Ratio: 1st 11:27 (1:2.454) / 2nd 16:26 (1:1.625) / 3rd 17:21 (1:1.235) / 4th 22:23 (1:1.045) / 5th 24:22 (1:0.916) / 6th 25:21 (1:0.840)
Primary Reduction: 23:59 (1:2.565)
Front Suspension: ~A40 mm Inverted fork with adjustable rebound and compression damping.
Front Wheel Travel: 120 mm / 4.7 in
Rear Suspension: Magnesium alloy swingarm. Monoshock with resevoir, adjustable extension, compression and spring preloading.
Rear Wheel Travel: 130 mm / 5.1 in
Front Brakes: 2 x ~A298 mm discs, 4 piston calipers
Rear Brakes: Single ~A220 mm disc, 2 piston caliper
Front Wheel: 3.5 x 17 in.
Rear Wheel: 4.5 x 17 in.
Front Tyre: 120/60-17
Rear Tyre: 150/60-17

Rake: 25 degrees
Turning circle ~A: 4.09 m / 13.4 ft
Dimensions: Length: 1880 mm / 74.0 in Width: 690 mm / 27.2 in Height: 1080 mm / 42.5 in
Wheelbase: 1370 mm / 53.9 in
Seat Height: 810 mm / 31.9 in
Ground Clearance: 135 mm / 5.3 in
Dry Weight: 140 kg / 309 lbs
Wet Weight: 167 kg 368 lbs
Fuel Capacity: 16.5 L / 4.4 US gal
Reserve: 3.5 L / 0.9 US gal
Braking 60 km/h / 37 mph – 0: 12.9 m / 42.3 ft
Braking 100 km/h / 62 mph – 0: 36.8 m / 120.7 ft
Standing 1/4 Mile: 12.50 sec / 172.5 km/h / 107.2 mph
Top Speed: 209.5 km/h / 130.2 mph

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