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Yamaha IT 490 - 1983 Specifications and Reviews
The 1983 Yamaha IT 490 is a mid-sized enduro designed for intermediate to experienced off-road riders seeking versatile trail and competition capability. Its air-cooled single-cylinder engine delivers responsive power across varied terrain, while the five-speed transmission and manageable weight make it equally comfortable for long-distance trail riding or weekend racing adventures.
1983
General information | |
| Category | Enduro / offroad |
| Year | 1983 |
| Model | Yamaha IT 490 |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Chain |
| Gearbox | 5-speed |
| Cooling system | Air |
| Starter | Kick |
| Ignition | CDI |
| Fuel system | Carburettor. 38mm Mikuni |
| Bore x stroke | 87.0 x 82.0 mm (3.4 x 3.2 inches) |
| Compression | 4.9:1 |
| Torque | 42.03 |
| Power | 35.00 |
| Stroke | 2 |
| Engine type | Single cylinder |
| Capacity: | 487.00 ccm (29.72 cubic inches) |
Physical measures and capacities | |
| Dry weight | 125.0 kg (275.6 pounds) |
| | |
Yamaha IT 490 dimensions and frame | |
| Rear brakes | Expanding brake (drum brake) |
| Front brakes | Expanding brake (drum brake) |
| Rear tyre dimensions | 150/80-18 |
| Rear suspension travel | 300 mm (11.8 inches) |
| Rear suspension | Mono shock, adjustable spring preload and rebound damping |
| Front suspension travel | 300 mm (11.8 inches) |
| Front suspension | 43mm Telescopic adjustable forks |
| | |
Speed and acceleration | |
| Power/weight ratio | 0.2800 HP/kg |
Other specs | |
| Color options | Blue |
| Fuel capacity | 13.60 litres (3.59 gallons) |
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