Ducati 250 Desmo (1971) vs Suzuki DR-Z 400SM (2005-06)
Comparison technical specifications
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| Make: | Ducati | Suzuki |
| Model: | 250 Desmo | DR-Z 400SM |
| Years: | 1971 | 2005-06 |
| Engine: | Four stroke, single cylinder, Desmo SOHC, bevel gear-drive | Four stroke, single cylinder, DOHC, 4 valve |
| Capacity: | 248.6 cc / 15.2 cu in | 398 cc / 24.3 cu-in |
| Bore x Stroke: | 74 x 57.8 mm | 90 x 62.6 mm. |
| Compression Ratio: | 9.7:1 | 11.3:1 |
| Cooling System: | Air cooled | Liquid cooled |
| Induction: | Dell'orto VHB29 mm carburetor | Mikuni BSR36 CV carburetor |
| Ignition: | 50W alternator with electronic rectifier and regulator | Digital CDI |
| Battery: | 6V 12Ah | 12V, 6.5Ah |
| Starting: | Kick | Electric |
| Clutch: | Oil bath, multi-plate | Wet, multiple discs, cable operated |
| Transmission: | 5 Speed | 5 Speed |
| Final Drive: | Chain | Chain, #520 |
| Frame: | Single downtube, open frame with large diameter backbone tube | Chrome-moly steel frame, single front down tube |
| Front Suspension: | Hydraulic forks | Telescopic, 49 mm, oil-damped, 11-way compression damping, adjustable spring preload |
| Rear Suspension: | Dual shocks swingarm | Link-type, fully adjustable spring preload, 26-way compression damping |
| Front Brakes: | Drum, 4-shoe | Single 300 mm floating disc, 2 piston caliper |
| Rear Brakes: | Drum | Single 240mm disc, 1 piston caliper |
| Front Tyre: | 3.25-18 | 120/70-17 |
| Rear Tyre: | 3.50-18 | 140/70-17 |
| Wheelbase: | 1346 mm / 53 in | 1460 mm / 57.5 in |
| Dry Weight: | 127 kg / 282 lbs | 137 kg / 302 lbs |