Junak M07R (1956-59) vs Ducati 749S (2003) vs NSU Quick (1939)
Comparison technical specifications
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| Make: | Junak | Ducati | NSU |
| Model: | M07R | 749S | Quick |
| Years: | 1956-59 | 2003 | 1939 |
| Engine: | Four stroke, single cylinder, OHV | Four stroke, 90°“L”twin cylinder, DOHC, desmodromic 4 valve per cylinder, belt driven | Single cylinder, 2 stroke |
| Capacity: | 349 cc / 21.3 cub. in. | 748.4 cc / 45.7 cu in | 49 cc / 3 cub in |
| Compression Ratio: | 7.0:1 | 12.3:1 | 5.5:1 |
| Lubrication: | Dry-sump | Wet sump | Dry sump |
| Starting: | Kick-start | Electric | Pedal |
| Max Power: | 14 kW / 19 hp @ 6000 rpm | 81 kW / 110 hp @ 10500 rpm | 2.2 kW / 3 hp @ 4700 rpm |
| Transmission: | Four-speed constant-mesh | 6 Speed | 2-speed, twistgrip operated |
| Final Drive: | Chain | Chain | Chain |
| Frame: | Double, cradle-type, welded throughout of tubing, provided with holders for side car mounting. | Tubular ALS450 steel trellis | Pressed steel single spar |
| Front Suspension: | Telescopic fork with coil springs and oil damping | Showa 43mm fully-adjustable upside-down fork with TiN | Steel forks, leading link suspension |
| Rear Suspension: | Swinging arm sprung on telescopic elements with coil springs and oil damping. | Progressive linkage with fully-adjustable Showa monoshock | None |
| Top Speed: | 125 km/h / 77.7 mph | 250 km/h / 155 mph | 40 km/h / 25 mph |