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Yamaha IT Specs

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The Yamaha IT model is a Enduro / offroad bike manufactured by Yamaha . In this version sold from year 1979 , the dry weight is 113.4 kg (250.0 pounds) and it is equipped with a Single cylinder, two-stroke motor. The engine produces a maximum peak output power of  and a maximum torque of  . With this drive-train, the Yamaha IT is capable of reaching a maximum top speed of 136.8 km/h (85.0 mph) . On the topic of chassis characteristics, responsible for road holding, handling behavior and ride comfort, the Yamaha IT has a Tubular steel double cradle frame with front suspension being forks and at the rear, it is equipped with Monoshock, nitrogen canister . Stock tire sizes are -3.00-21-4PR on the front, and -4.50-18-4PR on the rear. As for stopping power, the Yamaha IT braking system includes Expanding brake (drum brake) size  at the front and Expanding brake (drum brake) size  at the back. 

Yamaha IT General Information

Brand Yamaha 
Model Yamaha IT 
Start year 1979 
Year 1979 
Category Enduro / offroad 
Factory Warranty (Years / miles)

Yamaha IT Dimensions, Aerodynamics and weight

Frame type Tubular steel double cradle 
Seat details
Wheelbase 1,420 mm (55.9 inches) 
Length 2,210 mm (87.0 inches) 
Width 935 mm (36.8 inches) 
Height 1,170 mm (46.1 inches) 
Seat Height
Alternate Seat Height
Ground Clearance 275 mm (10.8 inches) 
Trail size
Wheels details
Front Tyres - Rims dimensions -3.00-21-4PR 
Rear Tyres - Rims dimensions -4.50-18-4PR 
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 113.4 kg (250.0 pounds) 
Front Percentage of Weight
Rear Percentage of Weight
Weight-Power Output Ratio :
Fuel Tank Capacity 12.00 litres (3.17 gallons) 
Reserve Fuel Capacity
Carrying Details and Capacity
Front Suspension forks 
Front Suspension Travel 230 mm (9.1 inches) 
Rear Suspension Monoshock, nitrogen canister 
Rear Suspension Travel 205 mm (8.1 inches) 

Yamaha IT Engine and Transmission Technical Data

Engine type - Number of cylinders Single cylinder, two-stroke 
Engine details
Fuel system Carburettor. mikuni 
Engine size - Displacement - Engine capacity 397.00 ccm (24.22 cubic inches) 
Bore x Stroke 85.0 x 0.0 mm (3.3 x inches) 
Compression Ratio
Number of valves per cylinder
Camshaft Valvetrain Configuration Port control 
Maximum power - Output - Horsepower
Maximum torque
Engine Maximum RPM
Cooling system Air 
Lubrication system pre mix 
Engine oil capacity
Exhaust system expansion chamber 
Gearbox 5-speed 
Transmission type, final drive ratio Chain 
Clutch type wet multiple disc 

Yamaha IT Performance

Top Speed 136.8 km/h (85.0 mph) 
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

Yamaha IT Electrical Systems, Ignition and Equipment

Ignition Type Magneto type 
Electrical Details
Starter Type Kick 
How fast is a Yamaha IT?
The Yamaha IT top speed is 136.8 km/h (85.0 mph).

How much does a Yamaha IT weighs?
The Yamaha IT weighs 113.4 kg (250.0 pounds).

How many gears does a Yamaha IT have?
The Yamaha IT have 5 gears.