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					Technical specifications
					
				 | 
			
				| Model: | 690 Duke | 
			
				| Years: | 2018 | 
			
			
					
						| Engine: | Single cylinder, 4-stroke, SOHC, 4-valve | 
			
					
						| Capacity: | 690 cc / 42.1 cu in | 
			
					
						| Bore x Stroke: | 105 x 80 mm | 
			
					
						| Compression Ratio: | 12.7:1 | 
			
					
						| Cooling System: | Liquid cooled | 
			
					
						| Lubrication System: | Pressure Lubrication with Two Oil Pumps | 
			
					
						| Induction: | Keihin EFI, Throttle Body 50 mm | 
			
					
						| Spark Plugs: | Inside: NGK LKAR9BI-10 Outside: NGK LMAR7DI-10 | 
			
					
						| Ignition: | Contactless controlled fully electronic ignition with digital ignition adjustment | 
			
					
						| Starting: | Electric | 
			
					
						| Battery: | CBTX9-BS 12V, 8.6Ah | 
			
					
						| Max Power: | 54.4 kW / 74 hp @ 8000 rpm | 
			
					
						| Max Torque: | 74 Nm / 7.5 kgf-m / 54.6 lb-ft @ 6500 rpm | 
			
					
						| Clutch: | APTC slipper clutch, hydraulically operated, antihopping | 
			
					
						| Transmission: | 6-Speed | 
			
					
						| Gear Ratios: | 1st 14:35 / 2nd 16:28 / 3rd 21:28 / 4th 21:23 / 5th 23:22 / 6th 23:20 | 
			
					
						| Final Drive: | Chain, 16:40 | 
			
					
						| Primary Drive: | 36:79 | 
			
					
						| Frame: | Chrome-moly steel Trellis frame, aluminum powder coated sub-frame | 
			
					
						| Front Suspension: | WP Performance Systems Upside Down 4357 | 
			
					
						| Front Wheel Travel: | 135 mm / 5.3" | 
			
					
						| Rear Suspension: | WP Performance System emulsion with Pro Lever Linkage | 
			
					
						| Rear Wheel Travel: | 135 mm / 5.3" | 
			
					
						| Front Brakes: | Single 320 mm disc, Brembo 4 piston fixed caliper, Bosch 9M two channel ABS | 
			
					
						| Rear Brakes: | Single 240 mm disc, Brembo single piston floating caliper, Bosch 9M two channelABS | 
			
					
						| Front Wheel: | 3.50 x 17", cast aluminium | 
			
					
						| Rear Wheel: | 5.00 x 17", cast aluminium | 
			
					
						| Front Tyre: | 120/70 - ZR17 M/C 58W TL | 
			
					
						| Rear Tyre: | 160/60 - ZR17 M/C 69W TL | 
			
					
						| Rake: | 26.5o | 
			
					
						| Wheelbase: | 1466 mm / 57.7" | 
			
					
						| Ground Clearance: | 192 mm / 7.55" | 
			
					
						| Seat Height: | 835 mm / 32.9" | 
			
					
						| Dry Weight: | 148.5 kg / 327.4 lbs | 
			
					
						| Engine Oil Capacity: | 1.7 Litres / 1.8 US qt / 1.5 Imp qt | 
			
					
						| Fuel Capacity: | 14 Litres / 3.7 US gal / 3.1 Imp gal |