| 
					Technical specifications
					
				 | 
			
				| Model: | GL 400 Custom | 
			
				| Years: | 1979 | 
			
			
					
						| Engine: | Four stroke, longitudinal 80° V-twin cylinder, SOHC 4 valves per cylinder operated by pushrods | 
			
					
						| Capacity: | 396 cc / 24.2 cub in. | 
			
					
						| Bore x Stroke: | 73 х 47.4 mm | 
			
					
						| Compression Ratio: | 10.0:1 | 
			
					
						| Cooling System: | Liquid cooled | 
			
					
						| Ignition: | Transistor | 
			
					
						| Starting: | Electric | 
			
					
						| Max Power: | 29.8 kW / 40 hp @ 9500 rpm | 
			
					
						| Max Torque: | 31.4 Nm / 3.2 kgf-m / 23.2 lb-ft @ 7500 rpm | 
			
					
						| Transmission: | 5 Speed | 
			
					
						| Final Drive: | Shaft | 
			
					
						| Front Suspension: | Telescopic forks | 
			
					
						| Rear Suspension: | Dual chocks | 
			
					
						| Front Brakes: | Single disc, 275 mm, 1 piston caliper | 
			
					
						| Rear Brakes: | Drum, 160 mm | 
			
					
						| Front Tyre: | 3.25-19 | 
			
					
						| Rear Tyre: | 3.75-18 | 
			
					
						| Dry Weight: | 216 kg / 476 lbs | 
			
					
						| Fuel Capacity: | 11 L / 2.9 US gal |