KTM 690 Duke (2014) vs Vespa 50 Allungata (1967-71)
Comparison technical specifications
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| Make: | KTM | Vespa |
| Model: | 690 Duke | 50 Allungata |
| Years: | 2014 | 1967-71 |
| Engine: | Four stroke, single cylinder, SOHC, 4 valves | Two stroke, single cylinder |
| Capacity: | 690 cc / 42.1 cu in | 49.8 cc / 3.0 cub in |
| Bore x Stroke: | 102 x 84.5 mm | 38.4 x 43 mm |
| Compression Ratio: | 12.6:1 | 7.2:1 |
| Battery: | 12 V / 11.2 Ah | 6 V |
| Starting: | Electric | Kick start |
| Max Power: | 52.2 kW / 70 hp @ 7500 rpm | 1.9 kW / 2.6 Hp @ 4500 rpm |
| Clutch: | APTC multi-disc wet clutch, hydraulically operated | Multi plate |
| Transmission: | 6 Speed | 3 Speed |
| Final Drive: | Chain X-Ring 5/8 x 5/16" | Direct drive |
| Frame: | Chromoly trellis frame, powder-coated, aluminium sub frame | Sheet metal, welded support |
| Front Suspension: | WP Upside-down forks, 4357 ROMA | Hydraulic shock absorber with rubber elements |
| Rear Suspension: | WP monoshock, 4618 with Pro-lever deflector | Hydraulic shock absorber |
| Front Brakes: | Single 320 mm floating disc, radially screwed four-piston brake caliper | Drum |
| Rear Brakes: | Single 240 mm floating disc, single piston caliper | Drum |
| Front Tyre: | 120/70 - ZR17 M/C 58W TL | 2.75 x 9" |
| Rear Tyre: | 160/60 - ZR17 M/C 69W TL | 2.75 x 9" |
| Dry Weight: | 149.5 kg / 330 in | 67 kg / 148 lbs |
| Fuel Capacity: | 14 Litres / 3.7 US gal / 3.1 Imp gal | 5.6 L / 1.5 US gal |
| Consumption Average: | 4.2 L/100 km / 23.9 km/l / 56.2 US mpg / 67.5 Imp mpg | 1.5 L/100 km / 66.7 km/l / 157 US mpg |
| Top Speed: | 202.9 km/h / 126 mph | 40 km/h /29 mph |