Suzuki RG 500 Gamma (1985) vs Suzuki GSX 250T (2017-18) vs Vespa 98 Corsa (1947)
Comparison technical specifications
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| Make: | Suzuki | Suzuki | Vespa |
| Model: | RG 500 Gamma | GSX 250T | 98 Corsa |
| Years: | 1985 | 2017-18 | 1947 |
| Engine: | Two stroke, square four cylinder, rotary valve with exhaust port valves | Four stroke, parallel twin cylinder, SOHC, 2 valves per cylinder | Four stroke, single cylinder |
| Capacity: | 498 cc / 30.4 cu in | 249 cc / 15.2 cu in | 98 cc / 6 cub in |
| Compression Ratio: | 7.0:1 | 11.5;1 | 8.7:1 |
| Induction: | 4 x 28mm Mikuni VM28SH Flatslide carburetors | EFI fuel injection | Rotary valve |
| Ignition: | Suzuki PEI | ECU | Flywheel magneto coil |
| Starting: | Kick | Electric | Kick start |
| Max Power: | 70 kW / 95 hp @ 9000 rpm | 24.7 hp / 18.4 kW @ 8000 rpm | 4.4 kW / 6 hp @ 6000rpm |
| Clutch: | Wet, cable operated | Wet, multi-plate clutch | Multiplate steel discs in oil bath |
| Transmission: | 6 Speed | 6 Speed | 3 speed |
| Final Drive: | Chain, 2.500 (40/16) | Chain | Direct drive |
| Frame: | Steel, double cradle frame | Cross cradle | Pressed sheet steel with streamlined monocoque structure |
| Front Suspension: | Air adjustable fork with 38mm tubes, adjustable spring preload and anti dive valuing. | Telescopic forks | Coil springs and caplipers shock absorber |
| Rear Suspension: | Shock absorber, adjustable for spring preload | Monoshock with adjustable damping | Leaf spring |
| Front Brakes: | 2 x 260 mm Discs, 4 piston calipers | Single 290 mm disc 2 piston caliper | Drum |
| Rear Brakes: | Single 210 mm disc, 2 piston caliper | Single 240 mm disc 1 piston caliper | Drum |
| Front Tyre: | 110/90 V16 | 110/80-17 57H | 3.5 x 8" |
| Rear Tyre: | 120/90 V17 | 140/70-17 66H | 3.5 x 8" |
| Fuel Capacity: | 22 Litres / 5.8 US gal / 4.8 Imp gal | 15 Litres / 3.9 US gal | 5.2 L / 1.3 US gal |