| 
					Technical specifications
					
				 | 
			
				| Model: | ER 125 | 
			
				| Years: | 1986- | 
			
			
					
						| Engine: | Two stroke, single cylinder, | 
			
					
						| Capacity: | 124 cc / 7.6 cu-in | 
			
					
						| Bore x Stroke: | 56 x 50 mm | 
			
					
						| Cooling System: | Liquid cooled, | 
			
					
						| Compression Ratio: | 13.4:1 | 
			
					
						| Induction: | Dell'Orto premix carburetor | 
			
					
						| Ignition: | Electronic CDI | 
			
					
						| Starting: | Kick | 
			
					
						| Max Power: | 20.7 hp / 15.4 kW @ 9200 rpm | 
			
					
						| Max Torque: | 15.5 Nm / 11.5 lb-ft @ 8800 rpm | 
			
					
						| Transmission: | 6 Speed | 
			
					
						| Final Drive: | Chain | 
			
					
						| Front Suspension: | Telescopic forks | 
			
					
						| Rear Suspension: | Alloy swing arm adjustable single shock | 
			
					
						| Front Brakes: | Single 240mm disc | 
			
					
						| Rear Brakes: | Drum | 
			
					
						| Front Tyre: | 2.75-21 | 
			
					
						| Rear Tyre: | 4.60-17 | 
			
					
						| Dry Weight: | 120 kg / 265 lbs | 
			
					
						| Fuel Capacity: | 15 Litres / 3.9 US gal |