String Trimmers Repair Guides

Fix your weed eater. Line feeding problems, carburetor issues, starting trouble and head replacement for Stihl, Echo and Husqvarna trimmers.

4 articles available

String trimmer problems are typically fuel, spark or line feed issues. Two-stroke models need fresh 50:1 fuel mix—old fuel gums up carburetors fast. Bump feed heads wear out and need replacement ($15-30). Electric trimmers are simpler but motor brushes wear. These guides cover gas and battery trimmers from Stihl, Echo, Husqvarna and other brands.

Common String Trimmers Problems

Trimmer won't start

Check fuel mix freshness, spark plug and air filter. Prime and choke correctly.

Trimmer head not spinning

Check clutch engagement. Inspect drive shaft and gearbox.

Line not feeding

Replace worn bump head or spool. Check for jammed line.

Trimmer bogging down

Clean air filter and spark arrestor. Adjust carburetor if needed.

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