Ducati 900 SS (1979) vs Vespa GTS 300 IE (2009-11) vs KTM 990 Adventure (2008)
Comparison technical specifications
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| Make: | Ducati | Vespa | KTM |
| Model: | 900 SS | GTS 300 IE | 990 Adventure |
| Years: | 1979 | 2009-11 | 2008 |
| Engine: | Four stroke, 90°“L”twin cylinder, SOHC, 2 valves per cylinder, bevel gear driven | Four stroke, single cylinder, SOHC, 4 valve | Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 864 cc / 52.7 cu in | 278 cc / 18.2 cub in | 999.8 cc / 60.9 cu-in |
| Bore x Stroke: | 86 x 74.4 mm | 75 mm x 63 mm | 101 x 62.4mm |
| Ignition: | Electronic | Electric | Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment |
| Starting: | Electric | Electric | Electric |
| Max Power: | 47.8 kW / 65 hp @ 7500 rpm | 15.8 kW / 21.5 hp @ 7500 rpm | 96.5 hp / 70.5 kW @ 8500 rpm |
| Clutch: | Wet, multiplate | Automatic, dry centrifuge with damper buffers | Wet Multi-disc hydraulically operated, |
| Transmission: | 5 Speed | CVT with torque server | 6 Speed |
| Final Drive: | Chain | Belt | Chain, X-Ring 5/8 x 5/16" |
| Front Suspension: | Marzocchi telescopic fork | Single arm, dual chamber hydraulic shock absorber with coaxial spring | 48mm WP USD forks |
| Rear Suspension: | Marzocchi 330 mm dual shocks, 3-way adjustable | Dual effect shock absorbers with adjustable preload | WP-PDS rear shock, hydraulic spring preload |
| Front Brakes: | 2 x 280 mm Disc, 1 piston caliper | Single 220 mm disc | 2x 300mm discs 2 piston calipers |
| Rear Brakes: | Single 280 mm disc | Single 220 mm disc | Single 240mm disc 1 piston caliper |
| Seat Height: | 740 mm / 29.1 in | 790 mm / 31.1 in | 860 mm / 33.8 in |
| Dry Weight: | 216 kg / 476 lbs | 158 kg / 348 lbs | 209 kg / 460.7 lbs |
| Fuel Capacity: | 15 L / 4.0 US gal / 3.3 Imp gal | 9.2 Litres / 2.4 US gal | 19.5 Litres / 5.1 gal |
| Top Speed: | 205 km/h / 127 mph | 129 km/h / 80 mph | 211.0 km/h |