| Attribute | Yamaha PW80 2008 × | Yamaha TT-R 90 E 2007 × |
|---|---|---|
| General | ||
| Production from (year) | 2008 | 2007 |
| Make | Yamaha | Yamaha |
| Model | Yamaha PW80 | Yamaha TT-R 90 E |
| Category | Enduro / offroad | Enduro / offroad |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. Mikuni VM15/1 | Carburettor. 16mm Mikuni |
| Displacement (cm³) | 79 | 89 |
| Power (kw) | 3.4 | - |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | 6.3 | - |
| Bore (mm) | 47 | 47 |
| Stroke (mm) | 45.6 | 51.8 |
| Gearbox | - | 3-speed |
| Fuel control | - | Single Overhead Cams (SOHC) |
| Ignition | CDI | CDI |
| Clutch | Wet, multiple-disc and automatic | - |
| Lubrication system | Yamaha Autolube | - |
| Compression | 6.6:1 | 8.5:1 |
| Chassis | ||
| Front suspension | Telescopic forks | 26 mm telescopic fork |
| Rear suspension | Swingarm (monocross) | Single shock |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 110 | 110 |
| Frame type | Steel tube backbone | - |
| Rear tyre | - | 2/14-2 |
| Front wheel travel (mm) | 110 | 109 |
| Rear wheel travel (mm) | 95 | 94 |
| Other | ||
| Starter | Kick | Electric |
| Dimensions | ||
| Wheelbase (mm) | 1,055 | 1,039 |
| Dry weight (kg) | 57 | 63 |
| Power/weight ratio | 0.0596 | - |
| Overall height (mm) | 880 | 866 |
| Overall length (mm) | 1,540 | 1,524 |
| Overall width (mm) | 640 | 605 |
| Seat height (mm) | 635 | 625 |
| Ground clearance (mm) | 185 | 160 |
| Performance | ||
| Fuel capacity (l) | 4.9 | 4.16 |