| Attribute | Yamaha TT-R 90 2002 × | Macbor XC 512 T 2004 × |
|---|---|---|
| General | ||
| Production from (year) | 2002 | 2004 |
| Make | Yamaha | Macbor |
| Model | Yamaha TT-R 90 | Macbor XC 512 T |
| Category | Cross / motocross | Minibike, cross |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, two-stroke |
| Fuel system | - | Carburettor |
| Displacement (cm³) | 89 | 49.8 |
| Power (kw) | 4.1 | - |
| Cooling system | Liquid | Liquid |
| Torque (Nm) | 6.1 | - |
| Bore (mm) | 47 | 39 |
| Stroke (mm) | 51.8 | 41.7 |
| Gearbox | - | 1-speed |
| Fuel control | Single Overhead Cams (SOHC) | - |
| Compression | 8.5:1 | - |
| Chassis | ||
| Front suspension | - | Mechanical fork |
| Rear suspension | - | Single shock absorber |
| Front brakes | Expanding brake | Single disc |
| Rear brakes | Expanding brake | Expanding brake (drum brake) |
| Front wheel travel (mm) | 110 | 175 |
| Rear wheel travel (mm) | 95 | 235 |
| Dimensions | ||
| Wheelbase (mm) | 1,040 | 1,035 |
| Dry weight (kg) | 60 | 41 |
| Power/weight ratio | 0.0683 | - |
| Overall height (mm) | 865 | 910 |
| Overall length (mm) | 1,525 | 1,490 |
| Overall width (mm) | 605 | 700 |
| Seat height (mm) | 625 | 650 |
| Ground clearance (mm) | 157 | - |
| Performance | ||
| Fuel capacity (l) | - | 3.9 |