KTM 400-660 LC4 Engine 2003

The KTM 400-660 LC4 Engine 2003 is a high-performance, single-cylinder, four-stroke engine that was used in a variety of KTM motorcycles from 2003 to 2007. It is known for its reliability, durability, and power, and is a popular choice for both on- and off-road riding.

The LC4 engine has a displacement of 398 cc and a bore and stroke of 95 mm x 63 mm. It features a single overhead camshaft (SOHC) and four valves per cylinder. The engine is fed by a single Mikuni carburetor and has a compression ratio of 11.5:1.

The LC4 engine produces a maximum power output of 40 horsepower at 6000 rpm and a maximum torque output of 33 ft-lb at 4500 rpm. It is mated to a five-speed transmission and has a chain final drive.

The LC4 engine is a reliable and durable engine that is capable of handling a wide range of riding conditions. It is a popular choice for both on- and off-road riding, and is a good choice for riders who want a powerful and versatile engine.

Features of the KTM 400-660 LC4 Engine 2003

• Single-cylinder, four-stroke engine
• Displacement of 398 cc
• Bore and stroke of 95 mm x 63 mm
• Single overhead camshaft (SOHC)
• Four valves per cylinder
• Mikuni carburetor
• Compression ratio of 11.5:1
• Maximum power output of 40 horsepower at 6000 rpm
• Maximum torque output of 33 ft-lb at 4500 rpm
• Five-speed transmission
• Chain final drive

KTM 400-660 LC4 ENGINE 2003 Factory Service Repair Manual Download PDF.

This is the COMPLETE official full factory service repair manual for the KTM 400-660 LC4 ENGINE 2003.

DOWNLOAD NOW KTM 400-660 LC4 ENGINE 2003 SERVICE MANUAL!

The workshop manual assumes knowledge of the contents of the operation manual. This applies especially for the safety regulations. The workshop manual describes repairs to the engine and components for which more effort and appropriately qualified technicians are required.
The engines are developed for a wide range of applications. A wide range of variants ensures that the respective special requirements are met.
The engine is equipped according to the installation case, i. e. not all the parts and components described in this documentation are installed in your engine necessarily.

The engine may only be used, maintained and repaired by persons who are familiar with this and are aware of the risks involved.

The documentation of the workshop manual has been created based on the engine available at the time of going to press.
There may be deviations in the descriptions, illustrations and parts due to further developments.
The maintenance work described in the operation manual and in the workshop manual must be carried out on schedule and completely. The maintenance personnel must have the necessary technical knowledge to perform the work. Safety and protection devices which are removed during maintenance work must be replaced again afterwards.

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KTM 400-660 LC4 ENGINE 2003 SERVICE MANUAL