KTM 640 LC4 Supermoto
2007Super Moto

KTM 640 LC4 Supermoto

Key specifications

Engine
625 cc
Power
54 HP
Torque
60 Nm
Weight
149 kg
Fuel type
petrol
Fuel capacity
2.4 L
Transmission
5-speed
Seat height
36 mm
Front brakes
Single disc
Rear brakes
Single disc

Overview

Introducing the 2007 KTM 640 LC4 Supermoto, a thrilling entry in the super motard category that epitomizes the brand’s commitment to performance, agility, and off-road prowess. Positioned as an ideal choice for riders seeking both urban commuting and spirited weekend adventures, the LC4 Supermoto is designed to bridge the gap between street and dirt. With its striking, aggressive styling and robust engineering, this motorcycle invites you to experience the excitement of spirited riding, whether you’re carving corners in the city or tackling rough backroads. At the heart of the 640 LC4 Supermoto lies a powerful 625cc single-cylinder, four-stroke engine that delivers an exhilarating 53.64 horsepower at 6750 RPM and 60 Nm of torque at 5750 RPM. This configuration not only promises an electrifying ride but also ensures that you have the necessary grunt for quick acceleration and impressive throttle response. With a compression ratio of 11.7:1, the engine is fine-tuned for optimal performance across various conditions. The Mikuni BST 40 carburettor provides seamless fuel delivery, while the liquid cooling system helps maintain peak efficiency even during extended rides. The 5-speed gearbox and hydraulic wet multi-disc clutch further enhance the bike's responsiveness, making every twist of the throttle and gear shift a rewarding experience. The 2007 KTM 640 LC4 Supermoto is equipped with a robust double-cradle chromoly-steel frame, powder-coated for durability, and paired with WP suspension components that provide excellent handling both on and off the pavement. The front features a WP USD suspension with 115 mm of travel, ensuring that rough surfaces are easily absorbed, while the rear WP Monoshock with

Pros

  • Performance-Oriented Engine: The powerful single-cylinder engine provides excellent acceleration and torque, making it a joy to ride in various conditions.
  • Agile Handling: With a lightweight design of 149 kg and a well-engineered suspension setup, the LC4 Supermoto excels in maneuverability, allowing riders to navigate tight turns with ease.
  • Durable Build Quality: The chromoly-steel frame and high-quality components ensure longevity and reliability, even under rigorous riding conditions.

Cons

  • Limited Fuel Capacity: With a fuel tank capacity of just 9.2 liters, longer rides may require frequent refueling, which can be inconvenient for extended journeys.
  • Height Considerations: The seat height of 910 mm may be a challenge for shorter riders, potentially affecting comfort and control.
  • Vibration at High RPMs: As a single-cylinder engine, some riders may experience noticeable vibrations at higher RPMs, which can detract from long-distance comfort.

Technical details

Source specification data

Make
KTM
Model
640 LC4 Supermoto
Category
Super motard
Starter
Electric & kick
Power
53.64 HP (39.2 kW)) @ 6750 RPM
Clutch
Wet multi-disc clutch, operated hydraulically
Torque
60.00 Nm (6.1 kgf-m or 44.3 ft.lbs) @ 5750 RPM
Gearbox
5-speed
Ignition
Kokusan 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
2 x aluminium
Lubrication System
Pressure lubrication with 2 oil pumps
Transmission Type Final Drive
Chain
Dry Weight
149.0 kg (328.5 pounds)
Seat Height
910 mm (35.8 inches) If adjustable, lowest setting.
Fuel Capacity
9.20 litres (2.43 gallons)
Ground Clearance
280 mm (11.0 inches)
Power Weight Ratio
0.3600 HP/kg
Rake
27.0°
Trail
99 mm (3.9 inches)
Rear Tyre
160/60-17
Frame Type
Double ground, chrommoly-steel frame, powder-coated
Front Tyre
120/70-17
Rear Brakes
Single disc
Front Brakes
Single disc
Rear Suspension
WP Monoshock with Pro Lever
Front Suspension
WP USD
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
320 mm (12.6 inches)