Ural T (2014) vs Jawa 420 Prototype (1982) vs Jawa 640 Style de Lux (1999)
Comparison technical specifications
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| Make: | Ural | Jawa | Jawa |
| Model: | T | 420 Prototype | 640 Style de Lux |
| Years: | 2014 | 1982 | 1999 |
| Engine: | Four stroke, twin flat boxer cylinders, OHV, 2 valve percylinder | Four stroke, single cylinder, SOHC, 4 valves per cylinder. | Two stroke, parallel twin |
| Capacity: | 749 cc / 45.7 cub in | 420 cc / 25.6 cu in | 343.4 cc / 21.0 cu in |
| Bore x Stroke: | 78 x 78 mm | 85 x 73 mm | 58 x 65 mm |
| Cooling System: | Air cooled | Liquid cooled | Air cooled |
| Transmission: | 4 speed with reverse | 5 Speed | 4 Speed |
| Final Drive: | Shaft | Chain | Chain |
| Front Suspension: | IMZ leading link fork | Hydraulic telescopic forks | Hydraulic telescopic fork, steel spiral springs |
| Rear Suspension: | Double sided swing-arm with two Sachs hydraulic spring shock absorbers, 5 x adjustable | Single shock | Swingarm, hydraulic telescopic in suspension units, spiral springs |
| Front Brakes: | 4-Piston fixed Brembo caliper with 295mm floating NG rotor | Single disc | Ø265 mm Disc, hydraulic control |
| Dry Weight: | 318 kg / 700 lbs | 155 kg / 342 bls | 149 kg / 328 lbs |
| Fuel Capacity: | 18.9 L / 5.0 US gal | 20 L / 5.2 US gal | 17 L / 4.5 US gal |