Comparison of Gilera NGR 250 1988 and Yamaha RD 250 (6-speed) 1973 [S]ave
| Attribute |  Gilera NGR 250 1988 × |  Yamaha RD 250 (6-speed) 1973 × |
|---|---|---|
| General | ||
| Production from (year) | 1988 | 1973 |
| Make | Gilera | Yamaha |
| Model | Gilera NGR 250 | Yamaha RD 250 (6-speed) |
| Category | Sport | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Twin, two-stroke |
| Displacement (cm³) | 249 | 247 |
| Power (kw) | 24.1 | 21.9 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 71.5 | 54 |
| Stroke (mm) | 62 | 54 |
| Gearbox | 5-speed | 6-speed |
| Fuel control | Rotary valves | Membrane |
| Compression | 13.5:1 | 6.7:1 |
| Chassis | ||
| Front brakes | Dual disc | Single disc |
| Rear brakes | Single disc | Expanding brake |
| Front tyre | 100/90-16 | 3.00-18 |
| Rear tyre | 110/90-18 | 3.25-18 |
| Dimensions | ||
| Kerb weight (kg) | 160 | 162 |
| Performance | ||
| Top speed (km/h) | 155 | 155 |
| Fuel capacity (l) | 22 | 16 |
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