KTM 990 Adventure (2009) vs KTM 640 LC4 Enduro (2005-07)
Comparison technical specifications
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| Make: | KTM | KTM |
| Model: | 990 Adventure | 640 LC4 Enduro |
| Years: | 2009 | 2005-07 |
| Engine: | Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder | Four stroke, single Cylinder. SOHC, 4 valves, engine balancer |
| Capacity: | 999.8 cc / 60.9 cu-in | 624.6 cc / 38.1 cu in |
| Bore x Stroke: | 101 x 62.4mm | 101 x 78 mm |
| Cooling System: | Liquid cooling | Liquid cooled |
| Compression Ratio: | 11.5;1 | 11.5:1 |
| Induction: | Keihin Electronic Fuel Injection EMS | Mikuni BST 40 carburetor |
| Ignition: | Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment | Kokusan contactless DC-CDI ignition with advanced system |
| Battery: | 12 V/11.2 Ah | 12V 8Ah, maintenance free |
| Starting: | Electric | Electric & kick |
| Max Power: | 104.6 hp / 78 kW @ 8250 rpm | 40.1 kW / 55 hp @ 7000 rpm |
| Max Torque: | 100 Nm / 73.8 lb-ft @ 6500 rpm | 55 Nm / 5.6 kgf-m / 40.6 lb-ft @ 5500 rpm |
| Clutch: | Wet Multi-disc hydraulically operated, | Multi-disc in oil bath |
| Transmission: | 6 Speed | 5 Speed |
| Final Drive: | Chain, X-Ring 5/8 x 5/16" | Chain, O-ring 5/8 x 1/4" |
| Final Drive Ratio: | 16:42 | 17:38 |
| Frame: | Tubular cromoly spaced frame. powered coated | Central chrome-moly steel frame |
| Front Suspension: | 48mm WP USD forks | White Power – Up Side Down 4357 MXMA fork |
| Front Wheel Travel: | 190 mm / 7.5 in | 280 mm / 11.0 in |
| Rear Suspension: | WP-PDS rear shock, hydraulic spring preload | Central shock absorber (WP BAVP3612) with PRO-LEVER linkage to rear- swing-arm with needle bearing |
| Rear Wheel Travel: | 190 mm / 7.5 in | 320 mm / 12.6 in |
| Front Brakes: | 2x 300mm discs 2 piston calipers | Single 300 mm disc, 4 piston caliper |
| Rear Brakes: | Single 240mm disc 1 piston caliper | Single 220 mm disc, 1 piston caliper |
| Front Tyre: | 90/90 -21 | 90/90 - 21 |
| Rear Tyre: | 150/70 -R18 | 140/80 - 18 |
| Seat Height: | 860 mm / 33.8 in | 930 mm / 36.6 in |
| Ground Clearance: | 261 mm / 9.0 in | 310mm / 12.2 in |
| Fuel Capacity: | 19.5 Litres / 5.1 gal | 12 L / 3.2 US gal / 2.6 Imp gal |
| Consumption Average: | 15.2 km/lit | 4.7 sec |
| Top Speed: | 211.0 km/h | 168 km/h / 104 mph |