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