This comprehensive set of service manuals provides in-depth technical information for a range of popular Stihl trimmers and brushcutters, specifically the FS40, FS50, FS56, FC56, and KM56 models. The manuals cover both the attachments and engines for all listed models, as well as a dedicated section focusing on the 4144 powerhead engine. These manuals are designed for experienced technicians and mechanics, offering detailed diagrams, step-by-step instructions, and troubleshooting guides to ensure successful repairs and maintenance.

The Stihl FS40, FS50, FS56, FC56, and KM56 are a range of powerful and versatile trimmers and brushcutters designed for tackling various landscaping tasks. These machines boast a combination of robust construction, reliable performance, and user-friendly features. The FS40, FS50, and FS56 models are primarily intended for trimming grass and light brush, while the FC56 and KM56 offer additional versatility for clearing thicker vegetation and tackling more demanding jobs. The FS40 and FS50 models utilize a 2-stroke engine for efficient power delivery, while the FS56, FC56, and KM56 feature a more powerful 4-stroke engine, offering increased torque and reduced noise and emissions. These machines are equipped with a variety of features that enhance their performance and user experience. The Stihl ErgoStart system facilitates easy starting, while the M-Tronic electronic ignition system ensures consistent performance in various conditions. The anti-vibration system minimizes operator fatigue during extended use, and the adjustable handle provides a comfortable grip for different users. The FS56, FC56, and KM56 models further benefit from the Stihl Easy2Start system, which simplifies starting even in challenging conditions. All models utilize a cutting head with a variety of options, allowing for customization based on the specific task at hand. Whether you're maintaining a small garden or tackling a larger landscaping project, the Stihl FS40, FS50, FS56, FC56, and KM56 offer a dependable and efficient solution for trimming grass, clearing brush, and tackling various other landscaping tasks.