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					Technical specifications
					
				 | 
			
				| Model: | Z 305CSR | 
			
				| Years: | 1981 | 
			
			
					
						| Engine: | Four stroke, parallel twin, SOHC, 2 Valve per cylinder. | 
			
					
						| Capacity: | 305 cc / 18.6 cu-in | 
			
					
						| Bore x Stroke: | 61.0 x 52.4 mm | 
			
					
						| Cooling System: | Air cooled | 
			
					
						| Compression Ratio: | 9.7:1 | 
			
					
						| Induction: | 2x 32mm Mikuni carburetor | 
			
					
						| Ignition: | Breaker point | 
			
					
						| Starting: | Electric | 
			
					
						| Max Power: | 30 hp / 22.3 kW @ 9000 rpm | 
			
					
						| Max Torque: | 2.5 kg-m / 18.0 lb-ft @ 7000 rpm | 
			
					
						| Transmission: | 6 Speed | 
			
					
						| Final Drive: | Belt | 
			
					
						| Gear Ratio: | 1st 2.60 (39/15) 2nd 1.79 (34/19) 3rd 1.41 (31/22) 4th 1.16 (29/25) 5th 1.00 (27/27) 6th 0.89 (25/28) | 
			
					
						| Front Suspension: | Telescopic forks | 
			
					
						| Rear Suspension: | Swing arm | 
			
					
						| Front Brakes: | Single 255mm disc | 
			
					
						| Rear Brakes: | Drum | 
			
					
						| Front Tyre: | 3.00 -18 | 
			
					
						| Rear Tyre: | 120/90-16 | 
			
					
						| Wheelbase: | 1355 mm / 53.3 in | 
			
					
						| Seat Height: | 750 mm / 29.5 in | 
			
					
						| Ground Clearance: | 150 mm / 5.9 in | 
			
					
						| Wet Weight: | 164 kg / 361.5 lbs | 
			
					
						| Fuel Capacity: | 16.5 Litres / 4.3 US gal | 
			
					
						| Consumption Average: | 70 mpg | 
			
					
						| Standing ¼ Mile: | 15.3 sec / 81 mph | 
			
					
						| Top Speed: | 96.7 mph |