Yamaha RX 100 - 1990 Specifications and Reviews
   	
		  
	
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| Category | Allround | 
| Year | 1990 | 
| Model | Yamaha RX 100 | 
| Engine and Transmission Specifications | 
| Exhaust system | Single stainless steel pipe | 
| Greenhouse gases | 58.0 CO | 
| Fuel consumption | 2.50 litres/100 km (40.0 km/l or 94.09 mpg) | 
| Clutch | 74 tooth clutch housing bell | 
| Transmission type,final drive | Chain | 
| Gearbox | 4-speed | 
| Cooling system | Air | 
| Lubrication system | Autolube | 
| Ignition | CDI | 
| Fuel control | SOHC | 
| Fuel system | Carburettor. Mikuni RM 18 mm | 
| Valves per cylinder | 2 | 
| Bore x stroke | 50.0 x 50.0 mm (2.0 x 2.0 inches) | 
| Compression | 10.1:1 | 
| Max RPM | 5800 | 
| 0-100 km/h (0-62 mph) | 19.500 seconds | 
| Top speed | 125.0 km/h (77.7 mph) | 
| Torque | 8.60 Nm (0.9 kgf-m or 6.3 ft.lbs) @ 6500 | 
| Power | 11.50 | 
| Engine type | Single cylinder, two-stroke | 
| Capacity: | 100.00 ccm (6.10 cubic inches) | 
|  | 
| Brakes, suspension, Frame and wheels | 
| Rear brakes | Expanding brake (drum brake) | 
| Front brakes | Expanding brake (drum brake) | 
| Rear tyre dimensions | 3/18-4PR | 
| Front tyre dimensions | 2/18-4PR | 
| Rear suspension | Coil spring oil damped | 
| Front suspension | Telescopic oil damped | 
| Frame type | Double cradle frame | 
| Physical measures and capacities | 
| Fuel capacity | 10.50 litres (2.77 gallons) | 
| Wheelbase | 1 mm (0.0 inches) | 
| Overall width | 740 mm (29.1 inches) | 
| Overall length | 2 mm (0.1 inches) | 
| Overall height | 1 mm (0.0 inches) | 
| Seat height | 750 mm (29.5 inches) If adjustable, lowest setting. | 
| Power/weight ratio | 0.1162 HP/kg | 
| Dry weight | 99.0 kg (218.3 pounds) | 
| Other specs | 
| Color options | red, black, blue, silver | 
| Starter | Kick | 
 
							 							
										
					
					 
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