Shop replacement repair parts for Stihl String Trimmer model FS 50

Champion Spark Plug (CJ8)

NGK Spark Plug (BMR6A)
Ensure your lawn care equipment stays in top working order with genuine Stihl FS 50 replacement parts from Repair Clinic. The FS 50 series, including the popular Stihl FS 50 C and Stihl FS50C models, is known for its lightweight design and reliable 2-stroke engine, making it a top choice for homeowners and professional landscapers alike. Whether you’re dealing with a worn-out trimmer head or a cracked fuel tank, we’ve got the parts and guides to help you fix it fast.
Use our intuitive search features to browse parts by model number, symptoms like “trimmer won’t start,” or specific categories such as FS50C carburetor, string head replacement, or FS50C air filter. Our diagrams and videos simplify repairs and ensure accuracy when replacing parts like the Stihl FS 50C spark plug, trimmer line spool, throttle cable, or ignition module.
We offer solutions for common maintenance and repair issues on the Stihl FS 50 C, including trimmer head assembly, recoil starter repair, fuel line replacement, and more. Looking for the Stihl FS 50 parts diagram or troubleshooting tips? We have those too. All our parts are genuine OEM-quality components compatible with your FS 50 C trimmer and other variants like the Stihl FS 50 weed eater and FS50C string trimmer.
The FS 50 C includes Stihl’s Easy2Start™ system, making starting easier compared to the standard FS 50. Both models share similar parts and engine components.
Turn off the trimmer, secure the shaft, and unscrew the old trimmer head. Install the new head by threading it clockwise. Refer to our Stihl FS 50C trimmer head replacement video for guidance.
You can view or download the complete Stihl FS 50 parts diagram on the product page at Repair Clinic. This includes visuals for assemblies like the FS 50 carburetor and ignition system.
The FS 50C uses a standard NGK spark plug, typically BPMR7A. Always double-check compatibility with your specific model and engine configuration.
Disconnect the fuel tank, remove the old lines, and install new tubing in the correct routing. Our fuel line diagram for FS50C will help you visualize the setup.

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