Yamaha YZF 600R Thundercat (1999) vs Ducati 900 SS (1981)
Comparison technical specifications
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| Make: | Yamaha | Ducati |
| Model: | YZF 600R Thundercat | 900 SS |
| Years: | 1999 | 1981 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Four stroke, 90°“L”twin cylinder, SOHC, 2 valves per cylinder, bevel gear driven |
| Capacity: | 599 cc / 36.5 cu-in | 864 cc / 52.7 cu in |
| Bore x Stroke: | 62 x 49.6 mm | 86 x 74.4 mm |
| Cooling System: | Liquid cooled | Air cooled |
| Compression Ratio: | 12.0:1 | 9.4:1 |
| Induction: | 4 x 36 mm Keihin CV downdraft carburetors | 2 x Dell'Orto PHF 32C carburetors |
| Ignition: | Digital TCI | Electronic |
| Starting: | Electric | Electric |
| Max Power: | 72.9 kW / 100 hp @ 11500 rpm | 47.8 kW / 65 hp @ 7500 rpm |
| Transmission: | 6 Speed | 5 Speed |
| Final Drive: | 530 O-ring chain OEM sprocket sizes per tooth Front= 15 Back= 47 | Chain |
| Front Suspension: | 41 mm telescopic fork adjustable preload, compression and rebound damping | Marzocchi telescopic fork |
| Rear Suspension: | Monoshock adjustable preload, bump and rebound | Marzocchi dual shocks, 3-way adjustable |
| Front Brakes: | 2x 300 mm Discs, 4 piston calipers | 2 x 280 mm Disc, 1 piston caliper |
| Rear Brakes: | Single 245mm disc, 2 piston caliper | Single 280 mm disc |
| Dimensions: | Length 2060mm / 81.1 in Width 754 mm / 29.6 in Height 1190 mm / 46.8 in | Length: 2260 mm / 88.9 in Width: 700 mm / 27.6 in Height: 1280 mm / 50.4 in |
| Wheelbase: | 1415 mm / 55.7 in | 1550 mm / 61.0 in |
| Seat Height: | 810 mm / 31.7 in | 740 mm / 29.1 in |
| Dry Weight: | 189 kg / 417 lbs | 216 kg / 476 lbs |
| Wet Weight: | 210 kg / 463 lbs | 224 kg / 494 lbs |
| Fuel Capacity: | 19 Litres / 5.0 US gal / 4.2 Imp gal | 15 L / 4.0 US gal / 3.3 Imp gal |
| Braking 100 km/h - 0: | 37.5 m / 123 ft | 39 m / 128 ft |
| Top Speed: | 246.8 km/h / 153.3 mph | 205 km/h / 127 mph |
| Road Test: | Group Test Motosprint 1997 | BIKE 1978 Ducati 900SS vs Le Mans III |