Suzuki GSX 400FW (1984-87) vs KTM 640 LC4 Adventure R (1999-00)
Comparison technical specifications
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| Make: | Suzuki | KTM |
| Model: | GSX 400FW | 640 LC4 Adventure R |
| Years: | 1984-87 | 1999-00 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder. | Four stroke, single Cylinder. SOHC, 4 Valve per cylinder, |
| Capacity: | 398 cc / 24.3 cu in | 624.6 cc / 38.1 cu in |
| Bore x Stroke: | 53 x 45.2 mm | 101 x 78 mm |
| Compression Ratio: | 10.9:1 | 11.0:1 |
| Cooling System: | Liquid cooled | Liquid cooled |
| Induction: | 2 x Mikuni BS26SS carburetors | Mikuni BST 40 |
| Ignition: | Fully transistorised | Contactless DC-CDI ignition with digital advanced system, KOKUSAN |
| Starting: | Electric | Kick & electric |
| Battery: | 12V, 12Ah | 12V 8Ah, maintenance free |
| Max Power: | 36.9 kW / 49.5 hp @ 10500 rpm | 35.7 kW / 49 hp @ 7500 rpm |
| Max Torque: | 35.3 Nm / 3.6 kgf-m / 26.0 lb-ft @ 8500 rpm | 52 Nm / 5.3 kgf-m / 38.4 lb-ft @ 5500 rpm |
| Clutch: | Wet, multiplate | Wet, multiplate |
| Transmission: | 6 Speed | 5 Speed, claw shifted |
| Final Drive: | Chain | Chain |
| Gear Ratios: | 1st 3.166 (38/12) / 2nd 2.125 (34/16) / 3rd 1.631 (31/19) / 4th 1.333 (28/21) / 5th 1.173 (27/23) / 6th 1.083 (26/24) | 1st 14:35 / 2nd 15:24 / 3rd 18:21 / 4th 20:19 / 5th 22:18 |
| Front Suspension: | Telescopic fork, oil dampened | 50 mm WP upside-down forks |
| Front Wheel Travel: | 150 mm / 5.9 in | 300 mm / 11.8 in |
| Rear Suspension: | Swingarm, mono shock | WP monoshock |
| Rear Wheel Travel: | 107 mm / 4.2 in | 320 mm / 12.6 in |
| Front Brakes: | 2 x Discs | Single 300mm disc, 4piston floating caliper |
| Rear Brakes: | Single disc | Single 220mm disc, 1 piston floating caliper |
| Front Tyre: | 100/90-16 54S | 90/90 - 21 54S Enduro 3 |
| Rear Tyre: | 110/90-18 61S | 140/80 - 18 70R Enduro 3 |
| Wheelbase: | 1435 mm / 56.5 in | 1510 mm / 59.4 in |
| Ground Clearance: | 160 mm / 6.3 in | 320 mm / 12.6 in |
| Seat Height: | 780 mm / 30.7 in | 945 mm / 37.2 in |
| Dry Weight: | 177 kg / 390 lbs | 154 kg / 340 lbs |
| Fuel Capacity: | 17 Litres / 4.5 US gal / 3.7 Imp gal | 28 L / 7.4 US gal / 6.2 Imp gal |
| Fuel Reserve: | 3.0 Litres / 3.2 US qt / 2.6 Imp qt | 3.8 L / 1.0 US gal / 0.8 Imp gal |