The Yamaha IT 490 motorcycle specifications include a 487 cc (29.72 cu in) engine, a 5-speed gearbox, and a listed weight of 125 kg (275.6 lb).
Key specifications
1983Year released
487 ccDisplacement
42.0 Nm @ 5,500 rpmTorque
125 kgDry weight
13.6 LFuel tank
How the Yamaha IT 490 compares
This compares the motorcycle with all Yamaha models in this specifications database. The blue marker is this model and the grey line is the Yamaha database average.
Displacement487 cc
Low 49 ccAverage 550 ccHigh 1,852 cc
About 11% lower than the Yamaha database average. Around the 51st percentile across Yamaha models.
Fuel capacity13.6 L
Low 4 LAverage 13 LHigh 24 L
Very close to the Yamaha database average. Around the 51st percentile across Yamaha models.
This model Yamaha database average
Yamaha database percentile rankings
Percentiles show where this motorcycle sits across the Yamaha specifications database. They are descriptive database rankings, not performance ratings.
Displacement51st
487 cc — larger displacement than about 51% of Yamaha models.
Fuel capacity51st
13.6 L — larger than about 51% of Yamaha fuel tanks in this database.
Mechanical overview
Engine layout snapshot
Single cylinder, two-stroke • 487 cc • Air cooled
Chassis snapshot
5-speed • Chain (final drive)
Additional useful specifications
| Rear tire size |
150/80-18 |
| Rear tire width |
150 mm |
| Rear tire aspect ratio |
80% |
| Rear rim diameter |
18 in |
| Bore/stroke ratio |
1.06:1 (Oversquare) |
Model information
| Year released |
1983 |
| Category |
Enduro / offroad |
Engine specifications
| Engine type |
Single cylinder, two-stroke |
| Displacement |
487 cc (29.72 cu in) |
| Torque |
42.0 Nm (4.3 kgf-m or 31.0 ft.lbs) @ 5,500 rpm |
| Bore × stroke |
87.0 x 82 mm (3.4 x 3.2 inches) |
| Compression ratio |
4.9:1 |
| Cooling system |
Air |
| Fuel system |
Carburettor. 38mm Mikuni |
| Ignition |
CDI |
| Starter |
Kick |
Transmission and drivetrain
| Gearbox |
5-speed |
| Final drive |
Chain (final drive) |
Chassis and suspension
| Front suspension |
43mm Telescopic adjustable forks |
| Rear suspension |
Mono shock, adjustable spring preload and rebound damping |
| Front wheel travel |
300 mm (11.8 inches) |
| Rear wheel travel |
300 mm (11.8 inches) |
Brakes, wheels and tires
| Front brakes |
Expanding brake (drum brake) |
| Rear brakes |
Expanding brake (drum brake) |
| Rear tire |
150/80-18 |
Dimensions and weight
| Dry weight |
125 kg (275.6 lb) |
Fuel and emissions
| Fuel capacity |
13.60 L (3.59 US gal) |
Performance
| Power/weight ratio |
0.2800 hp/kg |
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Yamaha models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Yamaha information before relying on them. Visit the official Yamaha website.