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			Engine and transmission			 
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	  |
| Engine type: | 1 cylinders, 2-stroke, Single | 
| Displacement: | 39 cc (2.38 cubic inches) | 
| Cooling system: | Air cooled | 
| Power: | 7.89 HP (5.8 kW) @ 8700 rpm | 
| Torque: | 3.5 Nm (2.58 lb-ft) @ 6000 rpm | 
| Throttle: | Cable operated | 
| Fuel and ignition | |
| Sparks per cylinder: | 1 | 
| Fuel supply system: | Carburetor | 
| Engine mounting: | Transverse | 
| Gear box: | Manual | 
| Clutch: | Wet, centrifugal clutch, cable operated | 
| Final drive: | Chain | 
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			Dimensions		   
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	  |
| Physical measures | |
| Length: | 43.3 inch | 
| Weight | |
| Dry weight: | 37.5 lbs | 
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			Chassis and suspension		   
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	  |
| Frame type: | steel, Trellis frame | 
| Front | |
| Brake: | Single Disk | 
| Tire: | 40 / R0 | 
| Rear | |
| Brake: | Disk | 
| Tire: | 40 / R0 | 
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			Other		   
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	  |
| ABS available: | No | 
| Fuel capacity: | 0.26 gals | 
| Number of riders: | 2 persons | 
				    
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									 Water cooled, 39cc, Single, 2-stroke  | 
							
								  				   
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									 Air cooled, 39cc, Single, 2-stroke  | 
			
								  				   
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									 Air cooled, 39cc, Single, 2-stroke  | 
							
								  				   
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									 Air cooled, 39cc, Single, 2-stroke  | 
			
								  				   
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									 Water cooled, 49cc, Single, 2-stroke  | 
							
								  				   
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									 Water cooled, 80cc, Single, 2-stroke, Reed valve  | 
			
								  				   
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				   2014 Beta Evo 300 SS (Super Smooth) Water cooled, 299cc, Single, 2-stroke, Reed valve  | 
							
								  				   
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									 36cc, Single, 2-stroke  | 
			
								  				   
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									 Water cooled, 50cc, Single, 2-stroke  | 
							
								  				   
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									 Water cooled, 50cc, Single, 2-stroke  |