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Motorcycles Specs > Yamaha > Yamaha RX 100

Yamaha RX 100 similar models

Yamaha RX 100 Specs

The Yamaha RX 100 model is a Allround bike manufactured by Yamaha . In this version sold from year 1990 , the dry weight is 99.0 kg (218.3 pounds) and it is equiped with a Single cylinder, two-stroke motor. The engine produces a maximum peak output power of 11.50 HP (8.4 kW) @ 7500 RPM and a maximum torque of 8.60 Nm (0.9 kgf-m or 6.3 ft.lbs) @ 6500 RPM . With this drive-train, the Yamaha RX 100 is capable of reaching a maximum top speed of 125.0 km/h (77.7 mph) . Regarding the chassis characteristics, responsible for road holding, handling behaviour and ride confort, the Yamaha RX 100 have a Double cradle frame frame with front suspension being Telescopic oil damped and in the rear suspension it is equiped with Coil spring oil damped . Stock tire sizes are 2/18-4PR on the front, and 3/18-4PR on the rear. As for stopping power, the Yamaha RX 100 braking system includes Expanding brake (drum brake) size  at the front and Expanding brake (drum brake) size  at the rear. 

Yamaha RX 100 General Information

Brand Yamaha 
Model Yamaha RX 100 
Year 1990 
Year 1990 
Category Allround 
Factory Warranty (Years / miles)  

Yamaha RX 100 Dimensions, Aerodynamics and weight

Frame type Double cradle frame 
Seat details  
Wheelbase 1 mm (0.0 inches) 
Length 2 mm (0.1 inches) 
Width 740 mm (29.1 inches) 
Height 1 mm (0.0 inches) 
Seat Height 750 mm (29.5 inches) If adjustable, lowest setting. 
Alternate Seat Height  
Ground Clearance  
Trail size  
Wheels details  
Front Tyres - Rims dimensions 2/18-4PR 
Rear Tyres - Rims dimensions 3/18-4PR 
Front brakes Expanding brake (drum brake) 
Rear brakes Expanding brake (drum brake) 
Front Brakes Dimensions - Disc Dimensions  
Rear Brakes Dimensions - Disc Dimensions  
Curb Weight (including fluids)  
Dry Weight 99.0 kg (218.3 pounds) 
Front Percentage of Weight  
Rear Percentage of Weight  
Weight-Power Output Ratio : 0.1162 HP/kg 
Fuel Tank Capacity 10.50 litres (2.77 gallons) 
Reserve Fuel Capacity  
Carrying Details and Capacity  
Front Suspension Telescopic oil damped 
Front Suspension Travel  
Rear Suspension Coil spring oil damped 
Rear Suspension Travel  

Yamaha RX 100 Engine and Transmission Technical Data

Engine type - Number of cylinders Single cylinder, two-stroke 
Engine details  
Fuel system Carburettor. Mikuni RM 18 mm 
Engine size - Displacement - Engine capacity 100.00 ccm (6.10 cubic inches) 
Bore x Stroke 50.0 x 50.0 mm (2.0 x 2.0 inches) 
Compression Ratio 10.1:1 
Number of valves per cylinder
Camshaft Valvetrain Configuration SOHC 
Maximum power - Output - Horsepower 11.50 HP (8.4 kW) @ 7500 RPM 
Maximum torque 8.60 Nm (0.9 kgf-m or 6.3 ft.lbs) @ 6500 RPM 
Engine Maximum RPM 5800 
Cooling system Air 
Lubrication system Autolube 
Engine oil capacity  
Exhaust system Single stainless steel pipe 
Gearbox 4-speed 
Transmission type, final drive ratio Chain 
Clutch type 74 tooth clutch housing bell 
Driveline  

Yamaha RX 100 Performance

Top Speed 125.0 km/h (77.7 mph) 
Acceleration 0 to 100 km/h (0 to 62 mph) 19.500 seconds 
Acceleration 0 to 400m (1/4 mile)  
Recuperation 60 to 140 km/h in highest gear  
Fuel Consumption - MPG - Economy - Efficiency 2.50 litres/100 km (40.0 km/l or 94.09 mpg) 
CO2 emissions 58.0 CO2 g/km. (CO2 - Carbon dioxide emission) 
Emissions  

Yamaha RX 100 Electrical Systems, Ignition and Equipment

Ignition Type CDI 
Electrical Details  
Starter Type Kick 
Instruments  
Lights