KTM 640 Adventure
2007Off-road

KTM 640 Adventure

Key specifications

Engine
625 cc
Power
54 HP
Torque
55 Nm
Weight
158 kg
Fuel type
petrol
Fuel capacity
6.7 L
Transmission
5-speed
Seat height
37 mm
Front brakes
Double disc
Rear brakes
Single disc

Overview

Introducing the 2007 KTM 640 Adventure, a motorcycle that effortlessly marries rugged capability with spirited performance, positioning itself as a formidable contender in the enduro-offroad category. As part of KTM's legacy of high-performance machines, the 640 Adventure is crafted for those who crave the thrill of exploration, whether it’s navigating technical trails or embarking on long-distance adventures. With its distinctive styling and robust build, this bike is not just a means of transportation; it’s an invitation to delve into the wild, making it a favorite among off-road enthusiasts and adventure seekers alike. At the heart of the 640 Adventure lies a potent 625cc single-cylinder, four-stroke engine that churns out an impressive 53.64 horsepower at 7000 RPM and a torque of 55 Nm at 5500 RPM. This powerful engine is designed to deliver exhilarating performance on varied terrains, from rocky mountain paths to muddy trails. The Mikuni BST 40 carburetor fuels the bike, ensuring optimal performance and responsiveness. Coupled with a 5-speed gearbox and a hydraulic wet multi-disc clutch, riders can effortlessly shift gears, allowing for seamless acceleration and control. With a compression ratio of 11.7:1, the 640 Adventure boasts a thrilling power-to-weight ratio of 0.3395 HP/kg, making it feel agile and lively under any conditions. The 2007 model is equipped with a robust chassis built from chromium-molybdenum, providing a sturdy foundation for the bike while maintaining a manageable weight of 158 kg (348.3 pounds). The WP suspension system, featuring a 48mm upside-down front fork and a rear monoshock, gives riders an impressive 115mm of front travel and 185mm of rear travel, ensuring excellent handling on both rough terrain and paved roads. With a generous ground clearance of 315 mm and a comfortable seat height of 945 mm, the 640 Adventure allows for confident navigation over obstacles while ensuring comfort during extended rides. Additionally, riders can appreciate the dual starter system—electric and kick—providing peace of mind no matter the situation. **

Pros

  • Outstanding Off-Road Capability: The combination of a high ground clearance, advanced suspension, and powerful engine makes it adept at tackling challenging terrains.
  • Versatile Performance: The 640 Adventure excels whether you're threading through tight trails or cruising on highways, showcasing its dual-purpose nature.
  • Durable and Reliable: Built with high-quality materials and components, this bike is designed for long-term adventures and the rigors of off-road riding.

Cons

  • Higher Seat Height: The 37.2-inch seat height may be a challenge for shorter riders, affecting confidence when stopping or maneuvering in tight spaces.
  • Weight Distribution: While manageable, the bike's weight can be felt during low-speed maneuvers, particularly for novice riders.
  • Limited Storage Options: The focus on performance means less emphasis on built-in storage, requiring additional investment for luggage solutions for longer trips.

Technical details

Source specification data

Make
KTM
Model
640 Adventure
Category
Enduro-offroad
Starter
Electric & kick
Power
53.64 HP (39.2 kW)) @ 7000 RPM
Clutch
Wet multi-disc clutch, operated hydraulically
Torque
55.00 Nm (5.6 kgf-m or 40.6 ft.lbs) @ 5500 RPM
Gearbox
5-speed
Ignition
Kokusan digital DC-CDI
Fuel System
Carburettor. Mikuni BST 40
Bore X Stroke
101.0 x 78.0 mm (4.0 x 3.1 inches)
Compression
11.7:1
Displacement
625.00 ccm (38.14 cubic inches)
Cooling System
Liquid
Engine Details
Single cylinder, four-stroke
Exhaust System
Premium steel HGS 4
Lubrication System
Pressure lubrication with 2 Eaton pumps
Valves Per Cylinder
4
Transmission Type Final Drive
Chain
Dry Weight
158.0 kg (348.3 pounds)
Seat Height
945 mm (37.2 inches) If adjustable, lowest setting.
Fuel Capacity
25.50 litres (6.74 gallons)
Ground Clearance
315 mm (12.4 inches)
Power Weight Ratio
0.3395 HP/kg
Rake
27.5°
Trail
124 mm (4.9 inches)
Rear Tyre
140/80-18
Frame Type
Chromium-molybdenum, powder-coated
Front Tyre
90/90-21
Rear Brakes
Single disc
Front Brakes
Double disc
Rear Suspension
WP monoshock
Front Suspension
WP USD, 48 mm
Rear Wheel Travel
185 mm (7.3 inches)
Front Wheel Travel
115 mm (4.5 inches)
Rear Brakes Diameter
220 mm (8.7 inches)
Front Brakes Diameter
300 mm (11.8 inches)