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					Technical specifications
					
				 | 
			
				| Model: | 250 Diana | 
			
				| Years: | 1961-64 | 
			
			
					
						| Engine: | Four stroke, single cylinder, Desmo SOHC, bevel gear-driven | 
			
					
						| Capacity: | 248.6 cc / 15.2 cu in | 
			
					
						| Bore x Stroke: | 74 x 57.8 mm | 
			
					
						| Compression Ratio: | 8.0:1 | 
			
					
						| Induction: | Dell'Orto UBF24BS carburetor | 
			
					
						| Ignition: | 6V 40W generator | 
			
					
						| Spark Plug: | Marelli CW250A | 
			
					
						| Starting: | Kick | 
			
					
						| Max Power: | 14.4 kW / 19.5 hp @ 7550 rpm | 
			
					
						| Primary Drive Ratio: | 2.500:1 | 
			
					
						| Transmission: | 4 Speed | 
			
					
						| Gear Ratios: | 1 st 2.75 / 2nd 1.65 / 3rd 1.18 / 4th 0.97:1 | 
			
					
						| Final Drive: | Chain | 
			
					
						| Final Drive Ratio: | 2.647:1 | 
			
					
						| Front Suspension: | Ducati 31.5 mm hydraulic telescopic forks | 
			
					
						| Rear Suspension: | Swingarm, dual chocks, 3-way adjustable | 
			
					
						| Front Brakes: | 180 mm Drum | 
			
					
						| Rear Brakes: | 160 mm Drum | 
			
					
						| Front Tyre: | 2.75 -18 | 
			
					
						| Rear Tyre: | 3.00 -18 | 
			
					
						| Dimensions: | Length: 2000 mm / 78.7 in Height: 960 mm / 37.8 in | 
			
					
						| Wheelbase: | 1320 mm / 52.0 in | 
			
					
						| Seat Height: | 750 mm / 29.5 in | 
			
					
						| Dry Weight: | 120 kg / 265 lbs | 
			
					
						| Fuel Capacity: | 17 L / 4.5 US gal / 3.7 Imp gal | 
			
					
						| Top Speed: | 140 km/h / 87 mph |