KTM 640 Duke II (2003-04)

The KTM 640 Duke II motorcycle was produced between 2003 and 2004. It features a four-stroke, single-cylinder engine with a capacity of 624.6 cc and a compression ratio of 11.5:1. The bike is liquid-cooled and lubricated by two Eaton oil pumps, while the Mikuni BST 40 carburetor handles induction. The engine delivers a maximum power of 55 hp at 7,000 rpm and a maximum torque of 60 Nm at 5,500 rpm. The bike comes with both electric and kick start options and is equipped with a 12V, 8Ah maintenance-free battery. The KTM 640 Duke II boasts a straight-cut gear primary drive ratio of 30:81 and a five-speed transmission, while the final drive ratio is 17:38. The bike is built on a central chrome-moly steel frame and features WP-4054 Roma top adjuster front suspension that is preload, compression, and rebound adjustable. The bike’s rear suspension uses central shock absorber WP IBS with PRO-LEVER linkage to rear-swing-arm with needle bearing, with a rear wheel travel of 170 mm. Braking is delivered by single 320 mm front and single 220 mm rear discs. The steering head angle is 62.5° and the wheelbase is 1,460 mm. The KTM 640 Duke II weighs 145 kg and has a GVWR of 350 kg. The fuel tank holds 11.3 liters, and the bike has a top speed of 162 km/h and can complete the standing quarter-mile in 12.5 seconds. The bike features a ground clearance of 250 mm and a seat height of 860 mm.

Technical specifications:

Make Model: KTM 640 Duke II