Ducati 900 SS (1979) vs Vespa GTS 300 IE (2009-11)
Comparison technical specifications
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| Make: | Ducati | Vespa | 
| Model: | 900 SS | GTS 300 IE | 
| Years: | 1979 | 2009-11 | 
| Engine: | Four stroke, 90°“L”twin cylinder, SOHC, 2 valves per cylinder, bevel gear driven | Four stroke, single cylinder, SOHC, 4 valve | 
| Capacity: | 864 cc / 52.7 cu in | 278 cc / 18.2 cub in | 
| Bore x Stroke: | 86 x 74.4 mm | 75 mm x 63 mm | 
| Ignition: | Electronic | Electric | 
| Starting: | Electric | Electric | 
| Max Power: | 47.8 kW / 65 hp @ 7500 rpm | 15.8 kW / 21.5 hp @ 7500 rpm | 
| Clutch: | Wet, multiplate | Automatic, dry centrifuge with damper buffers | 
| Transmission: | 5 Speed | CVT with torque server | 
| Final Drive: | Chain | Belt | 
| Front Suspension: | Marzocchi telescopic fork | Single arm, dual chamber hydraulic shock absorber with coaxial spring | 
| Rear Suspension: | Marzocchi 330 mm dual shocks, 3-way adjustable | Dual effect shock absorbers with adjustable preload | 
| Front Brakes: | 2 x 280 mm Disc, 1 piston caliper | Single 220 mm disc | 
| Rear Brakes: | Single 280 mm disc | Single 220 mm disc | 
| Dimensions: | Length: 2260 mm / 88.9 in Width: 700 mm / 27.6 in Height: 1280 mm / 50.4 in | Length 1930 mm / 75.9 in Width 755 mm / 29.7 in | 
| Wheelbase: | 1550 mm / 61.0 in | 1370 mm / 53.9 in | 
| Seat Height: | 740 mm / 29.1 in | 790 mm / 31.1 in | 
| Dry Weight: | 216 kg / 476 lbs | 158 kg / 348 lbs | 
| Fuel Capacity: | 15 L / 4.0 US gal / 3.3 Imp gal | 9.2 Litres / 2.4 US gal | 
| Top Speed: | 205 km/h / 127 mph | 129 km/h / 80 mph | 
