KTM LC4 640 Enduro 1999 - Specifications & Review

Introducing the 1999 KTM LC4 640 Enduro, a true titan in the world of off-road motorcycles. Born from KTM's rich heritage in competitive racing and engineered to conquer rugged terrains, the LC4 640 Enduro boasts an impressive combination of power, agility, and reliability. As a part of KTM's revered LC4 series, this bike has carved out a niche for itself among enthusiasts who demand both performance and versatility from their machines. Whether you're tackling steep climbs, muddy trails, or navigating rocky paths, the LC4 is designed to deliver a thrilling ride while maintaining the durability needed for serious off-road adventures.

At the heart of the LC4 640 Enduro is a robust single-cylinder, four-stroke engine with a displacement of 625 cc, generating an exhilarating 49 HP at 7,500 RPM. This potent powerplant is paired with a 5-speed gearbox, ensuring smooth gear transitions that enhance the riding experience. The bike's compression ratio of 11.0:1, combined with an efficient liquid-cooling system, allows it to perform exceptionally well under various conditions. Riders will appreciate the bike’s impressive top speed of 168 km/h (104 mph), but it’s the remarkable fuel efficiency of just 0.63 liters per 100 km (373.37 mpg) that truly stands out, making the LC4 an economical choice for long-distance off-road journeys.

The 1999 LC4 640 Enduro is not just about its engine; it’s also packed with features that elevate its performance and rider experience. The bike’s chassis is engineered for stability and control, featuring a front suspension travel of 280 mm and rear travel of 320 mm, allowing it to absorb bumps and obstacles effortlessly. With powerful single disc brakes measuring 300 mm in front and 220 mm in the rear, stopping power is reliable, ensuring safety on steep descents. The adjustable seat height of 930 mm offers comfort for various rider sizes, while the dual starting options—electric and kick—provide added convenience for any situation.

Pros:

1. Powerful and Efficient Engine: The 625 cc engine delivers impressive horsepower while maintaining excellent fuel efficiency, making it ideal for both performance and long rides.
2. Exceptional Suspension Travel: With 280 mm front and 320 mm rear travel, the LC4 handles rough terrains with ease, providing a smooth and controlled ride.
3. Versatile Starting Options: The combination of electric and kick start ensures that you can get going no matter the conditions.

Cons:

1. Seat Height Might Be Challenging: At a seat height of 930 mm, it may be less accessible for shorter riders, affecting confidence during stops.
2. Weight Consideration: Weighing in at 158 kg (348 lbs), it may feel a bit heavy for some, especially in technical off-road situations.
3. Limited Storage and Accessories: While primarily designed for performance, the LC4 lacks built-in storage options, which may require additional purchases for long-distance rides.

The 1999 KTM LC4 640 Enduro is a motorcycle designed for those who crave adventure and demand performance. With its formidable engine, superior suspension, and thoughtful features, it stands as a testament to KTM's commitment to excellence in the off-road motorcycle market.