KTM 640 LC4 Adventure 2004 — Specifications

Do you dream of long-distance adventure, of dusty trails stretching towards the horizon, but without abandoning the pavement to reach the desert? In 2004, KTM responded to this quest with a machine of strong character, the 640 LC4 Adventure. It’s a motorcycle that doesn’t go unnoticed, with its rally-raid look and assertive gaze, directly inherited from the sacred monsters of the Dakar. It announces the color from the outset: this is not a showroom bike, but a companion for vast open spaces.

The heart of the beast is that famous LC4 mono of 625 cc, an engine that delivers 55 horsepower. On paper, this may seem modest compared to some twin-cylinder engines, but that’s the genius of compromise. This unique engine, combined with a lightweight chromoly frame, allows the machine to display a dry weight of only 158 kg. A major asset when the terrain becomes difficult. The torque is generous and available from low RPM, at 55 Nm, making this KTM 640 LC4 Adventure an incredibly lively and maneuverable trail bike in the trails. It swallows the rough roads thanks to its long-travel WP suspension and its 315 mm ground clearance. Its 28-liter tank clearly speaks of its autonomy and its vocation for extreme travel.

On the asphalt, the surprise is pleasant. Of course, at a top speed of 165 km/h, you’re not racing GTs, but the efficient fairing and the riding position, comfortable both seated and standing, make road stages much less painful than on a pure enduro. This is the strength of this Adventure: it is versatile. It will take you to the office on weekdays and to the ends of the earth on weekends. For those looking for a used KTM 640 LC4 Adventure today, it is this intelligent compromise that you should seek, this ability to do everything without being mediocre anywhere.

However, you must accept a few specificities. The seat height of 945 mm is intimidating for short legs, and the single-cylinder engine, although lively, can transmit some vibrations on very long straight lines. The braking, ensured by a disc at the front and rear, is effective without being excessive. Its new price, around 8700 euros at the time, already positioned the machine in the high-end segment. Today, on the used market, a 2004 KTM 640 LC4 Adventure represents an interesting entry ticket to acquire an authentic adventure machine, robust and mechanically simple.

Ultimately, this KTM will not convince the lover of soft comfort or the Sunday track day rider. It is aimed at the urban explorer, the one who sees the commute to work as a first step in his next journey. It is the archetype of a lightweight and lively travel trail bike, long before the segment became crowded. Owning a KTM 640 LC4 Adventure R or its standard version is choosing a frank and direct tool, a motorcycle that has more to offer in experiences than in embellishments. A pure adventurous spirit, unfiltered.