Yeah, you have a 320mm disc and a single-disc converted 640 would have a 300mm disc. Unfortunately you can't just change the intermediate bracket, different pin spacing on the caliper. However the dual disc bikes use a caliper with a 30mm and a 32mm piston, while your bike has two 28mms. Carburetion: Two 46mm diaphragm-type CV. Transmission: Five speed, shaft drive. Wheelbase: 61.2 inches (1554.5mm) Seat height: 30.1 inches (764.5mm) Fuel capacity: 4.2 gallons (15.9L) Claimed dry weight: 584.2 lbs (218.0kg) Measured wet weight: 640.0 lbs (238.8kg) Print. Honda's Pacific Coast 800 is the station wagon of motorcycles, which isn't KTM 640 LC4 Adventure 640. engine specs. Type: Single cylinder, four-stroke, liquid cooled Wet multidisc clutch, operated hydraulically Weight: 348 lbs OR 158 kg: Fuel Capacity: photography by Scott Hirko For most of the 1990s, KTM’s 640 Adventure single served as its sole adventure-touring bike, a capable but buzzy and Wet Weight: 534 lbs. (as tested) Load Capacity Posted July 17, 2005. The tank and fuel pump will bolt right on the lc4. Everything you need is in the KTM parts book. Yes, you will need a different seat. The best one is from an 03 Adventure. You will need to add the vacuum tap to the intake manifold to run the factory fuel pump. Some people have added non-factory style fuel pumps, but the Despite the engine looking very much like the 790 Adventure’s, it has been instead redesigned. The 890 Adventure engine produces 77 kW (105 hp) at 8,000 rpm (compared to the 70 kW of the 790), and 100 Nm of torque at 6,500 rpm (a rise of 12 over the predecessor). A further 20% more rotating mass has been added, allowing the bike to have 3.8 Litres / 1.0 US gal / 0.8 Imp gal. . The 640 Adventure presented by KTM retains only the good features such as versatility, agility, power and gets reed of the unnecessarily weight and size, resulting in an easy to ride all around motorcycle with plenty of power coming from the LC4 single-cylinder engine which proved successful on many KTM A 5.3-gallon (20-liter) tank and generous fuel economy broaden the horizons of even the hardest adventure rider. For all the time spent in the comfy 2-piece saddle (which can be swapped and augmented through KTM’s PowerParts assortment for single or heated units) the 2024 KTM 790 ADVENTURE provides even more concessions to the eager traveler. However, the popularity of 640 bikes didn't wane even after over a decade. Despite its popularity, the KTM 640 has its share of flaws and inconsistencies. These issues became KTM's basis to start manufacturing the 690 version. Most riders shared that the 640 and 690's difference in terms of performance is very glaring. 2008 KTM 640 Adventure Traveller's Edition. Specifications. Engine/Motor: Single cylinder, 4-stroke. Horsepower: 52 HP @ 7000 rpm. Torque: 55Nm @ 5500 rpm. Transmission: 5 gears, dog clutch 7eIH.