Yamaha RX 100 - 1990 Specifications and Reviews

4.5 stars Average rating: 4.5 from 2 votes

General information

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
Cooling system:Air
Lubrication system:Autolube
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)
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
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

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