KTM 640 LC4 Adventure (2002-03) vs Vespa 125, P125X, PX 125, PX 125 Arcobleno/Lusso, PK125 S, GTS Super (1977-97)
Comparison technical specifications
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| Make: | KTM | Vespa |
| Model: | 640 LC4 Adventure | 125, P125X, PX 125, PX 125 Arcobleno/Lusso, PK125 S, GTS Super |
| Years: | 2002-03 | 1977-97 |
| Engine: | Four stroke, single Cylinder. SOHC, 4 Valve per cylinder, | Two stroke, single cylinder |
| Capacity: | 624.6 cc / 38.1 cu in | 123.4 cc 7.5 cub in |
| Bore x Stroke: | 101 x 78 mm | 52.5 x 57.0 mm |
| Compression Ratio: | 11.0:1 | 9.2:1 |
| Ignition: | Contactless DC-CDI ignition with digital advanced system, KOKUSAN | Flywheel alternator, with built in H.T. coil |
| Spark Plug: | NGK DPR8 EA-9 | Champion N2C |
| Starting: | Kick & electric | Kick start |
| Max Power: | 35.7 kW / 49 hp @ 7500 rpm | 5.9 kW / 8 hp @ 5800 rpm |
| Max Torque: | 52 Nm / 5.3 kgf-m / 38.4 lb-ft @ 5500 rpm | 10.5 kW / 1.07 kgf-m / 7.7 ft/lb @ 4500 rpm |
| Clutch: | Wet, multiplate | Multiplate |
| Transmission: | 5 Speed, claw shifted | 4 Speed, grip-shift, constant mesh |
| Final Drive: | Chain | Direct drive |
| Frame: | Central chrome-moly-steel frame | Pressed sheet steel, streamlined monocoque structure |
| Front Suspension: | 50 mm WP upside-down forks | Helical spring and double acting hydraulic dampers |
| Rear Suspension: | WP monoshock | Helical spring and double acting hydraulic dampers |
| Front Brakes: | Single 300mm disc, 4piston floating caliper | Drum, 125 mm |
| Rear Brakes: | Single 220mm disc, 1 piston floating caliper | Drum, 125 mm |
| Front Tyre: | 90/90 - 21 54S Enduro 3 | 3.5 x 10" |
| Rear Tyre: | 140/80 - 18 70R Enduro 3 | 3.5 x 10" |
| Wheelbase: | 1510 mm / 59.4 in | 1250 mm / 49.2 in |
| Dry Weight: | 154 kg / 340 lbs | 112 kg / 247 lbs |
| Fuel Capacity: | 28 L / 7.4 US gal / 6.2 Imp gal | 8 L / 2.1 US gal |