General information |
Model name
|
Yamaha IT |
Year of manufacture
|
1979 |
Type
|
Enduro / offroad |
Rating
|
3.8 Check out the detailed rating of off-road capabilities, engine performance, maintenance cost, etc. Compare with any other bike. |
Engine and transmission |
Engine size
|
397.0 ccm (24.22 cubic inches) |
Type of engine
|
Single cylinder, two-stroke |
Output
|
36.7 HP (26.8 kW)) @ 6500 RPM |
Torque
|
40.2 Nm (4.1 kgf-m or 29.7 ft.lbs) |
Top speed
|
136.8 km/h (85.0 mph) |
Compression
|
7.9:1 |
Bore x stroke
|
85.0 x 64.0 mm (3.3 x 2.5 inches) |
Fuel system
|
Carburettor. Mikuni, 26mm |
Fuel control
|
Port control |
Ignition
|
Magneto type |
Lubrication system
|
Pre mix |
Cooling system
|
Air |
Gearbox
|
6-speed |
Transmission type
|
Chain (final drive) |
Clutch
|
Wet multiple disc |
Exhaust system
|
Upswept expansion chamber with USFS-approved spark arrestor and silencer |
Chassis, suspension, brakes and wheels |
Frame type
|
Tubular steel double cradle |
Front suspension
|
Telescopic fork |
Front wheel travel
|
230 mm (9.1 inches) |
Rear suspension
|
Monoshock, nitrogen canister |
Rear wheel travel
|
205 mm (8.1 inches) |
Front tire
|
3.00-21 |
Rear tire
|
5.10-18 |
Front brakes
|
Expanding brake (drum brake) |
Diameter
|
130 mm (5.1 inches) |
Rear brakes
|
Expanding brake (drum brake) |
Diameter
|
150 mm (5.9 inches) |
Physical measures and capacities |
Dry weight
|
113.4 kg (250.0 pounds) |
Power/weight ratio
|
0.3237 HP/kg |
Overall height
|
1170 mm (46.1 inches) |
Overall length
|
2210 mm (87.0 inches) |
Overall width
|
935 mm (36.8 inches) |
Ground clearance
|
275 mm (10.8 inches) |
Wheelbase
|
1420 mm (55.9 inches) |
Fuel capacity
|
12.00 litres (3.17 US gallons) |
Other specifications |
Starter
|
Kick |
Update specs | Report missing specs or required updates. |
Further information |
Insurance costs | Compare US insurance quotes from the nation's top providers. |
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Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
Ask questions | Join the 79 Yamaha IT discussion group or the general Yamaha discussion group. |
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