640 LC4-E

2000 KTM 640 LC4-E Technical Analysis & Specification Breakdown

At the heart of the 2000 KTM 640 LC4-E enduro - offroad motorcycle, KTM pairs a 625 cc (38.1 cu in) liquid-cooled single cylinder, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 49 HP (35.8 kW) at 7,500 rpm, transferring power to the rear wheel through chain final drive. With a specific output of 78.4 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the 640 LC4-E measures 136 kg (300 lbs) dry, translating to a power-to-weight ratio of 0.36 HP/kg (2.78 kg per horsepower). Rider ergonomics and chassis geometry center around a 1,510 mm (59.4 in) wheelbase engineered for balanced agility and highway composure. The 12-liter (3.2 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 165 km/h (103 mph).