Aprilia RS 250 (2002-03) vs Vespa 150 GS (1955-61)
Comparison technical specifications
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| Make: | Aprilia | Vespa |
| Model: | RS 250 | 150 GS |
| Years: | 2002-03 | 1955-61 |
| Engine: | Two stroke, 90° V twin-cylinder, with laminar suction and exhaust valve. Separate lubrication with variable automatic mixer | Two stroke, single cylinder |
| Capacity: | 249 cc / 15.2 cu in | 145.5 cc / 8.8 cub in |
| Bore x Stroke: | 56 x 50.6 mm | 57 x 57 mm |
| Ignition: | CDI | 6 pole flywheel magneto |
| Battery: | 12v 4Ah | 6V |
| Starting: | Kick | Kick start |
| Max Power: | 52.9 kW / 72.5 hp @ 11900 rpm | 6.0 kW / 8.2 hp @ 7500 rpm |
| Clutch: | Oil bath, multiple-disc, with lever control on handlebars | Wet, multiplate with cork inserts |
| Transmission: | 6 Speed, direct drive | 4 Speed, grip-shift, constant mesh |
| Final Drive: | Chain, sealed, jointless, DID 520 V6 | Direct drive |
| Front Suspension: | Ø40 mm Inverted fork with adjustable rebound and compression damping. | Stub axle with swining hub and variable rate coil spring and double action hydraulic damper |
| Rear Suspension: | Magnesium alloy swingarm. Monoshock with resevoir, adjustable extension, compression and spring preloading. | Swinging bracket for engine and wheel, with variable rate coil spring and co-axial double action hydraulic damper |
| Front Brakes: | 2 x Ø298 mm discs, 4 piston calipers | Drum, expanding type with cooling ribs |
| Rear Brakes: | Single Ø220 mm disc, 2 piston caliper | Drum, expanding type with cooling ribs |
| Front Tyre: | 120/60-17 | 3.5 x 10" |
| Rear Tyre: | 150/60-17 | 3.5 x 10" |
| Dimensions: | Length: 1880 mm / 74.0 in Width: 690 mm / 27.2 in Height: 1080 mm / 42.5 in | Length: 1700 mm / 67 in Width: 700 mm / 27 in Height: 1050 mm / 41 in |
| Wheelbase: | 1370 mm / 53.9 in | 1180 mm / 46.4 in |
| Ground Clearance: | 135 mm / 5.3 in | 285 mm / 11.2 in |
| Dry Weight: | 141 kg / 309 lbs | 100 kg / 220 lbs |
| Fuel Capacity: | 16.5 Litres / 4.4 US gal | 12 L / 3.17 US gal |
| Reserve: | 3.5 Litres / 0.9 US gal | 1.2 L / 0.3 US gal |
| Top Speed: | 209.5 km/h / 130.2 mph | 100 km/h / 62 mph |