Suzuki RG 125 (1978-79) vs Aprilia RS 250 Challenge Cup Edition (2002)
Comparison technical specifications
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| Make: | Suzuki | Aprilia |
| Model: | RG 125 | RS 250 Challenge Cup Edition |
| Years: | 1978-79 | 2002 |
| Engine: | Single cylinder, two-stroke, piston valve | Two stroke, 90° V twin-cylinder, with laminar suction and exhaust valve. Separate lubrication with variable automatic mixer |
| Capacity: | 124 cc / 7.6 cu in | 249 cc / 15.2 cu in |
| Bore x Stroke: | 43 х 43 mm | 56 x 50.6 mm |
| Compression Ratio: | 6.8:1 | 12.00 (+/- 0.7) : 1 |
| Cooling System: | Air cooled | Liquid cooled |
| Starting: | Kick | Kick |
| Max Power: | 11.9 kW / 16 hp @ 9500 rpm | 52.9 kW / 72.5 hp @ 11900 rpm |
| Max Torque: | 12.7 Nm / 1.3 kgf-m / 9.4 lb-ft @ 8500 rpm | 40 Nm / 4.08 kgf-m / 29.5 lb/ft @ 10750 rpm |
| Clutch: | Wet, multi-plate | Oil bath, multiple-disc, with lever control on handlebars |
| Transmission: | 5 Speed constant mesh | 6 Speed, direct drive |
| Final Drive: | Chain | Chain, sealed, jointless, DID 520 V6 |
| Front Suspension: | Telescopic, oil dampened | Ø40 mm Inverted fork with adjustable rebound and compression damping. |
| Rear Suspension: | Swingarm, dual shocks, coils, oil dampened | Magnesium alloy swingarm. Monoshock with resevoir, adjustable extension, compression and spring preloading. |
| Front Brakes: | Single disc, hydraulic | 2 x Ø298 mm discs, 4 piston calipers |
| Rear Brakes: | Drum, internal expanding | Single Ø220 mm disc, 2 piston caliper |
| Front Tyre: | 2.75-18 | 120/60-17 |
| Rear Tyre: | 3.00-18 | 150/60-17 |
| Dimensions: | Length: 1900 mm / 74.8 in Width: 770 mm / 30.3 in Height: 1055 mm / 41.5 in | Length: 1880 mm / 74.0 in Width: 690 mm / 27.2 in Height: 1080 mm / 42.5 in |
| Wheelbase: | 1230 mm / 48.4 in | 1370 mm / 53.9 in |
| Dry Weight: | 107 kg / 236 lbs | 140 kg / 309 lbs |