GS 620 Duke

1996 KTM GS 620 Duke Technical Analysis & Specification Breakdown

Positioned in KTM's enduro - offroad motorcycle lineup, the 1996 KTM GS 620 Duke pairs a 609 cc (37.2 cu in) single cylinder, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 50.7 HP (37 kW) at 7,250 rpm while maximum torque reaches 50 Nm (36.9 lb-ft) at 5,900 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 83.3 HP per liter and a 1,350 rpm working window between peak torque (5,900 rpm) and peak power (7,250 rpm), the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the GS 620 Duke measures 143 kg (315 lbs) dry, translating to a power-to-weight ratio of 0.35 HP/kg (2.82 kg per horsepower). Rider ergonomics and chassis geometry center around a 870 mm (34.3 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control.