Junak M07R (1956-59) vs Ducati 749S (2003)
Comparison technical specifications
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| Make: | Junak | Ducati |
| Model: | M07R | 749S |
| Years: | 1956-59 | 2003 |
| Engine: | Four stroke, single cylinder, OHV | Four stroke, 90°“L”twin cylinder, DOHC, desmodromic 4 valve per cylinder, belt driven |
| Capacity: | 349 cc / 21.3 cub. in. | 748.4 cc / 45.7 cu in |
| Bore x Stroke: | 75 x 79 mm | 90 x 58.8 mm |
| Compression Ratio: | 7.0:1 | 12.3:1 |
| Lubrication: | Dry-sump | Wet sump |
| Ignition: | Magneto | Digital CDI |
| Starting: | Kick-start | Electric |
| Clutch: | Multi-plate clutch with cork inserts working in an oil bath | Dry multiplate with hydraulic control |
| Max Power: | 14 kW / 19 hp @ 6000 rpm | 81 kW / 110 hp @ 10500 rpm |
| Max Torque: | 27.5 Nm / 2.8 kgf-m / 20.3 ft-lb @3800 rpm | 78.8 Nm / 8.0 kgf-m / 58.1 ft-lb @ 8500 rpm |
| Transmission: | Four-speed constant-mesh | 6 Speed |
| Final Drive: | Chain | Chain |
| Gear ratios: | 1st 3.04 / 2nd 1.97 / 3rd 1.29 / 4th 1.00:1 | 1st 2.466 / 2nd 1.765 / 3rd 1.400 / 4th 1.182 / 5th 1.043 / 6th 0.958:1 |
| Frame: | Double, cradle-type, welded throughout of tubing, provided with holders for side car mounting. | Tubular ALS450 steel trellis |
| Front Suspension: | Telescopic fork with coil springs and oil damping | Showa 43mm fully-adjustable upside-down fork with TiN |
| Rear Suspension: | Swinging arm sprung on telescopic elements with coil springs and oil damping. | Progressive linkage with fully-adjustable Showa monoshock |
| Front Brakes: | Full hub width, of expander shoe type, hand operated | 2 x 320mm Disc, 4 piston calipers |
| Rear Brakes: | Full hub width, of expander shoe type, foot operated | Single 245 mm disc, 2 piston caliper |
| Front Tyre: | 19 in | 120/70 ZR17 |
| Rear Tyre: | 19 in | 180/55 ZR17 |
| Trail: | 72 mm / 2.8 in | 97 mm / 3.8 in |
| Dimensions: | Length: 2172 mm / 85.5 in Width: 740 mm / 29.1 in Height: 1095 mm / 43.1 in | Length: 2095 mm / 82.5 in Width: 730 mm / 28.7 in Height: 1090 mm / 42.9 in |
| Seat Height: | 755 mm / 29.7 in | 780 mm / 30.7 in |
| Dry Weight: | 170 kg / 374.8 lbs | 199 kg / 438 lbs |
| Fuel Capacity: | 17 l / 3.9 US gal | 15.5 L / 4.1 US gal / 3.4 Imp gal |
| Top Speed: | 125 km/h / 77.7 mph | 250 km/h / 155 mph |