Stihl FS 120 FS 200 FS 250 Instruction Manual

Pages 114

Year 2007

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of 114

Stihl FS 120 FS 200 FS 250 Specification

The Stihl FS 120, FS 200, and FS 250 are professional-grade brushcutters designed for robust performance in demanding environments. Each model is equipped with a powerful, fuel-efficient engine that ensures reliable operation and minimized emissions. The FS 120 features a 30.8 cc engine, delivering a balance of power and efficiency suitable for medium-duty tasks. The FS 200, with a 36.3 cc engine, offers enhanced performance for more challenging vegetation management. Topping the line, the FS 250 boasts a 40.2 cc engine, designed for heavy-duty applications and tackling dense brush with ease.

These brushcutters incorporate a multi-function control handle that provides easy access to all controls, enhancing operator convenience and safety. An ergonomic bike handle design helps reduce fatigue during extended use, promoting better posture and control. The anti-vibration system integrated into these models significantly reduces operator fatigue by dampening engine vibrations. A durable, double-line cutting head ensures efficient trimming and can be easily reloaded without tools, minimizing downtime.

The Stihl FS 120, FS 200, and FS 250 offer a robust construction with high-quality materials designed to withstand rigorous use, making them ideal for professional landscapers and forest maintenance crews. The air filtration system in these models is engineered to extend service intervals, ensuring long-lasting performance. Each model also comes with a harness to distribute weight evenly, further enhancing user comfort. These brushcutters are designed to be versatile, capable of handling a range of cutting tasks from light grass trimming to clearing thick brush, making them a reliable choice for professional vegetation management.

Stihl FS 120 FS 200 FS 250 F.A.Q.

How do I start the Stihl FS 120, FS 200, or FS 250 trimmer?

To start the trimmer, ensure the fuel tank is filled, move the stop switch to the start position, set the choke lever to cold start, press the fuel pump bulb until fuel is visible, pull the starter handle until the engine fires, then set the choke lever to run and pull again until the engine starts.

What is the proper way to maintain the air filter on these models?

Regularly check the air filter for dirt or damage. Clean it with warm soapy water, rinse, and allow it to dry. Replace the filter if it is damaged or heavily soiled. Ensure it is reinstalled properly to prevent debris from entering the engine.

What type of fuel should be used in Stihl FS 120, FS 200, and FS 250 trimmers?

Use a high-quality 2-cycle engine oil mixed with unleaded gasoline at a ratio of 50:1. Always use fresh fuel and follow the manufacturer's guidelines for the best performance.

How can I troubleshoot a trimmer that won't start?

Check that the fuel tank is filled with the proper fuel mix, inspect the spark plug for fouling or damage, ensure the air filter is clean, and verify that the choke and throttle are set correctly. If issues persist, consult the user manual or a professional technician.

What regular maintenance should be performed on these trimmers?

Regular maintenance includes checking and cleaning the air filter, inspecting and replacing the spark plug if necessary, lubricating the gearbox, checking the fuel system for leaks, and cleaning the cooling fins.

How can I replace the trimmer line on the FS 120, FS 200, or FS 250?

Turn off the engine and disconnect the spark plug. Remove the trimmer head cover, take out any remaining line, and insert new line into the designated holding slots. Wind the line evenly and reinstall the cover securely.

What should I do if the trimmer vibrates excessively during use?

Check for damaged or unbalanced cutting attachments, ensure the trimmer head is properly installed, and inspect the driveshaft and gearbox for wear or damage. Replace or repair parts as necessary.

How do I adjust the carburetor on these Stihl trimmers?

Locate the adjustment screws on the carburetor. The "L" screw adjusts low speed, "H" adjusts high speed, and "LA" adjusts idle speed. Turn screws slowly in small increments and test the engine performance. Consult the user manual for specific settings.

What safety precautions should be taken while using these trimmers?

Wear protective gear including goggles, gloves, and sturdy footwear. Ensure the work area is clear of obstacles and bystanders. Keep a firm grip on the trimmer and be aware of the cutting direction. Follow all safety instructions provided in the user manual.

How can I store the trimmer for long-term periods?

Clean the trimmer thoroughly, drain the fuel tank, and run the engine until it stops to clear the carburetor. Lubricate metal parts to prevent rust, store in a dry place, and cover it to protect from dust.