Husaberg FC 550/4, FE 550e/6, FS 550/4 2004 Repair Manual (P/N 3.801.004)

• Official publication P/N 3.801.004 (First Edition, May 2004) covering the FC 550/4, FE 550e/6, and FS 550/4 models.
• Contains 100 pages of factory-level technical data, including comprehensive torque specs, wiring diagrams, and component disassembly reference images.
• Documents the complete engine teardown and transmission assembly process for the 550 cc 4-stroke powerplants.
• Provides detailed diagnostic specifications for the Kokusan ignition and Keihin FCR-MX carburetor systems.
• Searchable text formatting allows technicians to quickly locate specific part tolerances or torque values during an active rebuild.

Engine and Chassis Maintenance

This publication covers the entire engine lifecycle. It details everything from safely dismounting the unit from the frame—where securing the chassis prior to engine drop is critical to prevent shop accidents—to internal component inspection and final assembly. Chapters break down the oil circuit, disassembly sequences, and the specific servicing of parts like the crankshaft, conrod, and valve train. You get a clear look at factory procedures for measuring cylinder liner wear. It also outlines the exact methods used to determine correct piston mounting clearances for Nikasil-coated barrels.

Technical Data Preview

Specifications are organized throughout the text to aid in component identification and fast assembly. Cylinder head bolt torque values, for instance, are clearly documented at 40 Nm for the initial crosswise stage, followed by 50 Nm for the final tightening. The engine assembly section specifies valve clearance for both the intake and outlet at 0.12 mm. Electrical system components are thoroughly detailed as well. The main fuse rating is listed at 10 A for the FE 550e/6 model. Furthermore, the manual provides the precise factory settings for the Keihin carburetor mixture control screw across the entire displacement range.