Attribute | ![]() Yamaha TT-R90 × | ![]() Yamaha TT-R90 E × |
---|---|---|
General | ||
Production from (year) | 2006 | 2004 |
Make | Yamaha | Yamaha |
Model | Yamaha TT-R90 | Yamaha TT-R90 E |
Category | Enduro / offroad | Minibike, cross |
Engine and transmission | ||
Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
Fuel system | Carburettor. Mikuni TMX38 | - |
Displacement (cm³) | 89 | 89 |
Power (kw) | 4 | 4 |
Cooling system | Liquid | Liquid |
Transmission type,final drive | Chain | Chain |
Torque (Nm) | 6.1 | 6.1 |
Bore (mm) | 47 | 47 |
Stroke (mm) | 51.8 | 51.8 |
Gearbox | 5-speed | - |
Fuel control | Single Overhead Cams (SOHC) | Single Overhead Cams (SOHC) |
Ignition | CDI | - |
Clutch | Wet, multiple-disc | - |
Lubrication system | Premix | - |
Compression | 8.5:1 | 8.5:1 |
Chassis | ||
Front suspension | Telescopic fork | Telescopic fork |
Rear suspension | Swinging arm (monocross) | Swinging arm (monocross) |
Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
Diameter (mm) | 110 | 110 |
Front tyre | 70/90-M17 | - |
Rear tyre | 90/90-M14 | - |
Front wheel travel (mm) | 110 | 110 |
Rear wheel travel (mm) | 125 | 95 |
Other | ||
Starter | Kick | - |
Color options | - |
|
Dimensions | ||
Wheelbase (mm) | 1,040 | 1,040 |
Dry weight (kg) | 60 | 60 |
Power/weight ratio | 0.0667 | 0.0667 |
Overall height (mm) | 865 | 865 |
Overall length (mm) | 1,525 | 1,525 |
Overall width (mm) | 605 | 605 |
Seat height (mm) | 625 | 625 |
Ground clearance (mm) | 172 | 172 |
Performance | ||
Fuel capacity (l) | 8 | - |