| Yamaha's profilation of this bike | 
  | Safe, Swift, Comfortable. | 
    
        | General information | 
  
    | Model name | Yamaha RX 100 | 
    | Year | 1990 | 
    | Category | Allround | 
    | Rating | 4.0   Check out the detailed rating of reliability, maintenance costs, value for money, etc. Compare with any other motorcycle. | 
    
        | Engine and transmission | 
  
    | Displacement | 100.0 ccm (6.10 cubic inches) | 
    | Engine type | Single cylinder, two-stroke | 
    | Power | 11.5 HP (8.4  kW)) @ 7500 RPM | 
    | Torque | 8.6 Nm (0.9 kgf-m or 6.3 ft.lbs) @ 6500 RPM | 
    | Top speed | 125.0 km/h (77.7 mph) | 
    | 0-100 km/h (0-62 mph) | 19.50 seconds | 
    | Max RPM | 5800 | 
    | Compression | 10.1:1 | 
    | Bore x stroke | 50.0 x 50.0 mm (2.0 x 2.0 inches) | 
    | Valves per cylinder | 2 | 
    | Fuel system | Carburettor. Mikuni RM 18 mm | 
    | Fuel control | Single Overhead Cams (SOHC) | 
    | Ignition | CDI | 
    | Lubrication system | Autolube | 
    | Cooling system | Air | 
    | Gearbox | 4-speed | 
    | Transmission type | Chain  (final drive) | 
    | Clutch | 74 tooth clutch housing bell | 
    | Fuel consumption | 2.50 litres/100 km (40.0 km/l or 94.09 mpg) | 
    | Greenhouse gases | 58.0 CO2 g/km. (CO2 - Carbon dioxide emission) | 
    | Exhaust system | Single stainless steel pipe | 
    
        | Chassis, suspension, brakes and wheels | 
  
    | Frame type | Double cradle frame | 
    | Front suspension | Telescopic oil damped | 
    | Rear suspension | Coil spring oil damped | 
    | Front tire | 2.50-R18 | 
    | Rear tire | 3.00-R18 | 
    | Front brakes | Expanding brake (drum brake) | 
    | Rear brakes | Expanding brake (drum brake) | 
    
        | Physical measures and capacities | 
  
    | Dry weight | 99.0 kg (218.3 pounds) | 
    | Power/weight ratio | 0.1162 HP/kg | 
    | Seat height | 750 mm (29.5 inches) If adjustable, lowest setting. | 
    | Overall length | 2040 mm (80.3 inches) | 
    | Overall width | 740 mm (29.1 inches) | 
    | Fuel capacity | 10.50 litres (2.77 US gallons) | 
    
        | Other specifications | 
  
    | Color options | Red, black, blue, silver | 
    | Starter | Kick | 
    | Comments | It is a living legend in India even in 4s era.Rules the road for speed stability being a 100cc only. | 
| Update specs | Report missing specs or required updates. | 
    
        | Further information | 
  | Insurance costs | Compare US insurance quotes from the nation's top providers. | 
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. | 
| Ask questions | Join the 90 Yamaha RX 100 discussion group or the general Yamaha discussion group. | 
| Related bikes | List related bikes for comparison of specs. | 
    
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