KTM 640 LC4 Adventure (2006-07) vs BMW F 650GS (2000)
Comparison technical specifications
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| Make: | KTM | BMW |
| Model: | 640 LC4 Adventure | F 650GS |
| Years: | 2006-07 | 2000 |
| Engine: | Four stroke, single Cylinder. SOHC, 4 Valve per cylinder | Four stroke, single cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 624.6 cc / 38.1 cu in | 652 cc / 39.8 cub. in. |
| Bore x Stroke: | 101 x 78 mm | 100 x 83mm |
| Compression Ratio: | 11.0:1 | 11.5:1 |
| Induction: | Mikuni BST 40 | Fuel induction |
| Ignition: | Contactless DC-CDI ignition with digital advanced system, KOKUSAN | Capacitor Discharge Ignition system |
| Battery: | 12V 8Ah, maintenance free | 12V / 12Ah |
| Starting: | Kick & electric | Electric |
| Max Power: | 35.7 kW / 49 hp @ 7500 rpm | 37.3 kW / 50 hp @ 6800 rpm |
| Max Torque: | 52 Nm / 5.3 kgf-m / 38.4 lb-ft @ 5500 rpm | 60 Nm / 6.12 kgf-m / 44.25 lb-ft. @ 5200 rpm |
| Clutch: | Wet, multiplate | Multiple-disc clutch in oil bath, mechanically operated |
| Transmission: | 5 Speed, claw shifted | 5 Speed |
| Gear Ratios: | 1st 14:35 / 2nd 15:24 / 3rd 18:21 / 4th 20:19 / 5th 22:18 | 1st 2.75 / 2nd 1.75 / 3rd 1.31 / 4th 1.05 / 5th 0.88:1 |
| Final Drive: | Chain | Chain |
| Frame: | Central chrome-moly-steel frame | Bridge-type steel section frame with bolted-on rear section |
| Front Suspension: | 50 mm WP upside-down forks | 41mm Telescopic fork with stabilizer bridge |
| Front Wheel Travel: | 300 mm / 11.8 in | 170 mm / 6.6 in |
| Rear Suspension: | WP monoshock | Spring setting and rebound stage damping continuously adjustable |
| Rear Wheel Travel: | 320 mm / 12.6 in | 165 mm / 6.4 in |
| Front Brakes: | 2X 300mm sisc | Single ∅300mm disc, 2 piston caliper |
| Rear Brakes: | Single 220mm disc, 1 piston floating caliper | Single ∅240mm disc, 1 piston caliper |
| Front Tyre: | 90/90 - 21 54S Enduro 3 | 100/90-19 |
| Rear Tyre: | 140/80 - 18 70R Enduro 3 | 130/80-17 |
| Steering Head Angle: | 62.5o | 60.8° |
| Seat Height: | 945 mm / 37.2 in | 780 mm / 30.7 in. |
| Dry Weight: | 158.0 kg / 348.3 lbs | 176 kg / 388 lbs. |
| Fuel Capacity: | 28 Litres / 7.4 US gal / 6.2 Imp gal | 17.3 Litres / 4.6 US gal. |