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Motorcycles Specs > Yamaha > Yamaha IT 490

Yamaha IT 490 Specs

The Yamaha IT 490 model is a Enduro / offroad bike manufactured by Yamaha . In this version sold from year 1983 , the dry weight is 125.0 kg (275.6 pounds) and it is equiped with a Single cylinder, two-stroke motor. The engine produces a maximum peak output power of 35.00 HP (25.5 kW) @ 6000 RPM and a maximum torque of 42.03 Nm (4.3 kgf-m or 31.0 ft.lbs) @ 5500 RPM . With this drive-train, the Yamaha IT 490 is capable of reaching a maximum top speed of  . Regarding the chassis characteristics, responsible for road holding, handling behaviour and ride confort, the Yamaha IT 490 have a  frame with front suspension being 43mm Telescopic adjustable forks and in the rear suspension it is equiped with Mono shock, adjustable spring preload and rebound damping . Stock tire sizes are  on the front, and 150/80-18 on the rear. As for stopping power, the Yamaha IT 490 braking system includes Expanding brake (drum brake) size  at the front and Expanding brake (drum brake) size  at the rear. 

Yamaha IT 490 General Information

Brand Yamaha 
Model Yamaha IT 490 
Year 1983 
Year 1983 
Category Enduro / offroad 
Factory Warranty (Years / miles)  

Yamaha IT 490 Dimensions, Aerodynamics and weight

Frame type  
Seat details  
Wheelbase  
Length  
Width  
Height  
Seat Height  
Alternate Seat Height  
Ground Clearance  
Trail size  
Wheels details  
Front Tyres - Rims dimensions  
Rear Tyres - Rims dimensions 150/80-18 
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 125.0 kg (275.6 pounds) 
Front Percentage of Weight  
Rear Percentage of Weight  
Weight-Power Output Ratio : 0.2800 HP/kg 
Fuel Tank Capacity 13.60 litres (3.59 gallons) 
Reserve Fuel Capacity  
Carrying Details and Capacity  
Front Suspension 43mm Telescopic adjustable forks 
Front Suspension Travel 300 mm (11.8 inches) 
Rear Suspension Mono shock, adjustable spring preload and rebound damping 
Rear Suspension Travel 300 mm (11.8 inches) 

Yamaha IT 490 Engine and Transmission Technical Data

Engine type - Number of cylinders Single cylinder, two-stroke 
Engine details  
Fuel system Carburettor. 38mm Mikuni 
Engine size - Displacement - Engine capacity 487.00 ccm (29.72 cubic inches) 
Bore x Stroke 87.0 x 82.0 mm (3.4 x 3.2 inches) 
Compression Ratio 4.9:1 
Number of valves per cylinder  
Camshaft Valvetrain Configuration  
Maximum power - Output - Horsepower 35.00 HP (25.5 kW) @ 6000 RPM 
Maximum torque 42.03 Nm (4.3 kgf-m or 31.0 ft.lbs) @ 5500 RPM 
Engine Maximum RPM  
Cooling system Air 
Lubrication system  
Engine oil capacity  
Exhaust system  
Gearbox 5-speed 
Transmission type, final drive ratio Chain 
Clutch type  
Driveline  

Yamaha IT 490 Performance

Top Speed  
Acceleration 0 to 100 km/h (0 to 62 mph)  
Acceleration 0 to 400m (1/4 mile)  
Recuperation 60 to 140 km/h in highest gear  
Fuel Consumption - MPG - Economy - Efficiency  
CO2 emissions  
Emissions  

Yamaha IT 490 Electrical Systems, Ignition and Equipment

Ignition Type CDI 
Electrical Details  
Starter Type Kick 
Instruments  
Lights