Comparison of Jawa 90 1971 and Yamaha LB 3 bop 80 1978 [S]ave
| Attribute |  Jawa 90 1971 × | Yamaha LB 3 bop 80 1978 × |
|---|---|---|
| General | ||
| Production from (year) | 1971 | 1978 |
| Make | Jawa | Yamaha |
| Model | Jawa 90 | Yamaha LB 3 bop 80 |
| Category | Enduro / offroad | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Displacement (cm³) | 89 | 73 |
| Power (kw) | 6.9 | 3.6 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 48 | 47 |
| Stroke (mm) | 49 | 42 |
| Gearbox | 5-speed | 3-speed |
| Fuel control | Port control | Membrane |
| Compression | 8.5:1 | 5.8:1 |
| Chassis | ||
| Front brakes | Expanding brake | Expanding brake |
| Rear brakes | Expanding brake | Expanding brake |
| Front tyre | 2.50-18 | 4.00-10 |
| Rear tyre | 2.75-18 | 4.00-10 |
| Dimensions | ||
| Kerb weight (kg) | 90 | 82 |
| Performance | ||
| Top speed (km/h) | 95 | 65 |
| Fuel capacity (l) | 10.5 | 3.5 |
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