KTM 640 LC4 Adventure R (1999-00) vs KTM 640 LC4 Enduro (1999-00)
Comparison technical specifications
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| Make: | KTM | KTM |
| Model: | 640 LC4 Adventure R | 640 LC4 Enduro |
| Years: | 1999-00 | 1999-00 |
| Engine: | Four stroke, single Cylinder. SOHC, 4 Valve per cylinder, | Four stroke, single Cylinder. SOHC, 4 valves, engine balancer |
| Capacity: | 624.6 cc / 38.1 cu in | 624.6 cc / 38.1 cu in |
| Bore x Stroke: | 101 x 78 mm | 101 x 78 mm |
| Compression Ratio: | 11.0:1 | 11.5:1 |
| Cooling System: | Liquid cooled | Liquid cooled |
| Induction: | Mikuni BST 40 | Mikuni BST 40 carburetor |
| Ignition: | Contactless DC-CDI ignition with digital advanced system, KOKUSAN | Kokusan contactless DC-CDI ignition with advanced system |
| Spark Plug: | NGK DPR8 EA-9 | NGK DRBEACPR 8 E |
| Battery: | 12V 8Ah, maintenance free | 12V 8Ah, maintenance free |
| Starting: | Kick & electric | Electric & kick |
| Max Power: | 35.7 kW / 49 hp @ 7500 rpm | 40.1 kW / 55 hp @ 7000 rpm |
| Max Torque: | 52 Nm / 5.3 kgf-m / 38.4 lb-ft @ 5500 rpm | 55 Nm / 5.6 kgf-m / 40.6 lb-ft @ 5500 rpm |
| Clutch: | Wet, multiplate | Multi-disc in oil bath |
| Transmission: | 5 Speed, claw shifted | 5 Speed |
| Primary Drive Ratio: | 30:81 | 30:81, straight cut gears |
| Gear Ratios: | 1st 14:35 / 2nd 15:24 / 3rd 18:21 / 4th 20:19 / 5th 22:18 | 1st 14:35 / 2nd 15:24 / 3rd 18:21 / 4th 20:19 / 5th 22:18 |
| Final Drive Ratio: | 16:40 | 17:38 |
| Final Drive: | Chain | Chain, O-ring 5/8 x 1/4" |
| Frame: | Central chrome-moly-steel frame | Central chrome-moly steel frame |
| Front Suspension: | 50 mm WP upside-down forks | White Power – Up Side Down 4357 MXMA fork |
| Front Wheel Travel: | 300 mm / 11.8 in | 280 mm / 11.0 in |
| Rear Suspension: | WP monoshock | Central shock absorber (WP BAVP3612) with PRO-LEVER linkage to rear- swing-arm with needle bearing |
| Rear Wheel Travel: | 320 mm / 12.6 in | 320 mm / 12.6 in |
| Front Brakes: | Single 300mm disc, 4piston floating caliper | Single 300 mm disc, 4 piston caliper |
| Rear Brakes: | Single 220mm disc, 1 piston floating caliper | Single 220 mm disc, 1 piston caliper |
| Front Tyre: | 90/90 - 21 54S Enduro 3 | 90/90 - 21 |
| Rear Tyre: | 140/80 - 18 70R Enduro 3 | 140/80 - 18 |
| Steering Head Angle: | 62.5o | 62o |
| Wheelbase: | 1510 mm / 59.4 in | 1510 mm / 59.4 in |
| Ground Clearance: | 320 mm / 12.6 in | 310mm / 12.2 in |
| Seat Height: | 945 mm / 37.2 in | 930 mm / 36.6 in |
| GVWR: | 380 kg / 839 lbs | 350 / 773 lbs |
| Fuel Capacity: | 28 L / 7.4 US gal / 6.2 Imp gal | 12 L / 3.2 US gal / 2.6 Imp gal |