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2006 KTM 640 LC4 Supermoto

KTM 640 LC4 Supermoto

This package combines race-oriented and racing tested technology with the comfort and design of KTM's SMC models. The light, sporty twin exhaust, 11 litre tank and comfortable double seat are the per-fect mixture of agile Supermoto handling with everyday rideablity.


The KTM 625 SMC and 640 LC4 Supermoto have both electric and kick starters; 660 SMC favours the more sporty kick starter.


Smooth shifting and maintenance free hydraulic clutch.


41 KEIHIN flat-slide carburettor with an adjustable accelerator pump and hot start button; throttle position sensor (TPS) conveys the relevant slide position to the ignition's CDI. The 640 LC4 Supermoto features a 40 mm Mikuni constant pressure carburettor also with a TPS.

Secondary Air System (SAS);

Compact SAS post oxidises exhaust gases to fulfil strict "EURO II" emis-sions standard.


Large airbox supports the gas exchange cycle and engine performance.


Double light aluminium silencers derived from KTM factory bikes for high power output and sporty sound.


KTM utilizes a reliable, chrome moly central tube frame, which is very closely related to those of the factory motorcycles.

Swing Arm;

The light yet rigid cast aluminium swing arm creates plenty of room for the wide rear tyre and ensures steady control of the rear wheel.


KTM fits high-quality Brembo brakes. Up front, a Brembo four-pis-ton, fixed-calliper brake in combination with a 320 mm laser-cut Inox disc ensures the best braking performance and high safety re-serves.


Magura or Renthal high-quality, tapered aluminium handlebars.