KTM 640 LC4 Supermoto (1999-00)

The KTM 640 LC4 Supermoto is a street-legal motorcycle with a 624.6cc engine, producing a max power of 35.7 kW at 7500 rpm and max torque of 52 Nm at 5500 rpm. It has a four-stroke, single-cylinder engine with SOHC and four valves per cylinder. The compression ratio is 11.0:1, and the bike has a liquid-cooled cooling system. The induction system is Mikuni BST 40, and the ignition is a contactless DC-CDI ignition with a digital advanced system. The bike has both kick and electric start options. The clutch is wet and multiplate, and the transmission is a five-speed, claw-shifted gearbox with a primary drive ratio of 30:81. The frame is a central chrome-moly-steel frame, and the front suspension has 43mm WP upside-down forks with 270mm front wheel travel. The rear suspension has a central shock absorber with a PRO-LEVER linkage to the rear-swingarm with needle bearing, giving 300mm of rear wheel travel. The bike has single 320mm front and 220mm rear discs with four-piston and one-piston floating calipers, respectively. The bike sits on a 120/70-17 front and 160/60-17 rear tire with a steering head angle of 62.5o. The wheelbase is 1510mm, and the ground clearance is 335mm. The seat height is 915mm, and it has a dry weight of 137kg. The fuel capacity is 11L with a 2.5L reserve, and it has a GVWR of 350kg. The manual for the KTM 640 LC4 Supermoto (1999-00) is available online.

Technical specifications:

Make Model: KTM 640 LC4 Supermoto