Comparison of Yamaha TT-R 90 E 2007 and Yamaha TT-R 90 2002 [S]ave
| Attribute |  Yamaha TT-R 90 2002 × |  Yamaha TT-R 90 E 2007 × |
|---|---|---|
| General | ||
| Production from (year) | 2002 | 2007 |
| Make | Yamaha | Yamaha |
| Model | Yamaha TT-R 90 | Yamaha TT-R 90 E |
| Category | Cross / motocross | Enduro / offroad |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | - | Carburettor. 16mm Mikuni |
| Displacement (cm³) | 89 | 89 |
| Power (kw) | 4.1 | - |
| Cooling system | Liquid | Air |
| Transmission type,final drive | - | Chain |
| Torque (Nm) | 6.1 | - |
| Bore (mm) | 47 | 47 |
| Stroke (mm) | 51.8 | 51.8 |
| Gearbox | - | 3-speed |
| Fuel control | Single Overhead Cams (SOHC) | Single Overhead Cams (SOHC) |
| Ignition | - | CDI |
| Compression | 8.5:1 | 8.5:1 |
| Chassis | ||
| Front suspension | - | 26 mm telescopic fork |
| Rear suspension | - | Single shock |
| Front brakes | Expanding brake | Expanding brake (drum brake) |
| Rear brakes | Expanding brake | Expanding brake (drum brake) |
| Diameter (mm) | - | 110 |
| Rear tyre | - | 2/14-2 |
| Front wheel travel (mm) | 110 | 109 |
| Rear wheel travel (mm) | 95 | 94 |
| Other | ||
| Starter | - | Electric |
| Dimensions | ||
| Wheelbase (mm) | 1,040 | 1,039 |
| Dry weight (kg) | 60 | 63 |
| Power/weight ratio | 0.0683 | - |
| Overall height (mm) | 865 | 866 |
| Overall length (mm) | 1,525 | 1,524 |
| Overall width (mm) | 605 | 605 |
| Seat height (mm) | 625 | 625 |
| Ground clearance (mm) | 157 | 160 |
| Performance | ||
| Fuel capacity (l) | - | 4.16 |
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