Ducati 250 Diana (1961-64) vs Kawasaki ER4n (2011-12)
Comparison technical specifications
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| Make: | Ducati | Kawasaki |
| Model: | 250 Diana | ER4n |
| Years: | 1961-64 | 2011-12 |
| Engine: | Four stroke, single cylinder, Desmo SOHC, bevel gear-driven | Four stroke, parallel twin cylinder. DOHC, 4 valves per cylinder. |
| Capacity: | 248.6 cc / 15.2 cu in | 399 cc / 24.3 cu-in |
| Bore x Stroke: | 74 x 57.8 mm | 68.4 x 54.3 mm |
| Compression Ratio: | 8.0:1 | 11.0:1 |
| Induction: | Dell'Orto UBF24BS carburetor | Fuel injection: ø34 mm x 2 Keihin |
| Ignition: | 6V 40W generator | TCBI with digital advance |
| Starting: | Kick | Electric |
| Max Power: | 14.4 kW / 19.5 hp @ 7550 rpm | 42 hp / 32 kW @ 9500rpm |
| Transmission: | 4 Speed | 6 Speed |
| Front Suspension: | Ducati 31.5 mm hydraulic telescopic forks | 41 mm telescopic fork |
| Rear Suspension: | Swingarm, dual chocks, 3-way adjustable | Offset laydown single-shock with adjustable preload |
| Front Brakes: | 180 mm Drum | 2x 300mm discs 2 piston calipers |
| Rear Brakes: | 160 mm Drum | Single 220mm disc |
| Front Tyre: | 2.75 -18 | 120/70ZR17 |
| Rear Tyre: | 3.00 -18 | 160/60ZR17 |
| Dimensions: | Length: 2000 mm / 78.7 in Height: 960 mm / 37.8 in | Length 1100 mm / 43.3 in Height 2100 mm / 82.6 in Width 760 mm / 29.9 in |
| Wheelbase: | 1320 mm / 52.0 in | 1410 mm / 55.5 in |
| Seat Height: | 750 mm / 29.5 in | 785 mm / 30.9 in |
| Fuel Capacity: | 17 L / 4.5 US gal / 3.7 Imp gal | 15 Litres / 3.9 USgal |