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					Technical specifications
					
				 | 
			
				| Model: | CBR 450SR | 
			
				| Years: | 1989-90 | 
			
			
					
						| Engine: | Four stroke, Transverse four cylinder, DOHC, 3 valve per cylinder. | 
			
					
						| Capacity: | 447 cc / 27.2 cu-in | 
			
					
						| Bore x Stroke: | 75 x 50.6 mm | 
			
					
						| Compression Ratio: | 9.2:1 | 
			
					
						| Cooling System: | Liquid cooled | 
			
					
						| Induction: | Keihin 31.3 mm carburetor | 
			
					
						| Oil Capacity: | 2.6 Litres | 
			
					
						| Ignition: | CDI | 
			
					
						| Starting: | Electric | 
			
					
						| Max Power: | 46.5 hp / 33.6 KW @ 8500 rpm | 
			
					
						| Max Torque: | 4.2 Nm / 4.1 kgf-m / 29.5 ft.lbs @ 7000 rpm | 
			
					
						| Transmission: | 6 Speed | 
			
					
						| Final Drive: | Chain | 
			
					
						| Frame: | Dual side box beam in steel tubes | 
			
					
						| Front Suspension: | 37 mm telescopic fork | 
			
					
						| Front Wheel Travel: | 140 mm / 5.5 in | 
			
					
						| Rear Suspension: | Monoshock Box Section Swingarm | 
			
					
						| Rear Wheel Travel: | 110 mm / 4.3 in | 
			
					
						| Front Brakes: | 2x 275mm discs 2 piston calipers | 
			
					
						| Rear Brakes: | Single 220mm disc 1 piston caliper | 
			
					
						| Front Tyre: | 110/80-R17 | 
			
					
						| Rear Tyre: | 130/70-R17 | 
			
					
						| Dimensions: | Length 2010 mm / 79.1 in Width 720 mm / 28.3 in Height 1120 mm / 44.0 in | 
			
					
						| Wheelbase: | 1370 mm / 53.9 in | 
			
					
						| Ground Clerance: | 140 mm / 5.5 in | 
			
					
						| Seat Height: | 775 mm / 30.3 in | 
			
					
						| Dry Weight: | 178 kg / 392.4 lbs | 
			
					
						| Fuel Capacity: | 14 Litres / 3.7 US gal |