The 1 most common part(s) or condition(s) which contribute to the symptom String trimmer head won't stop spinning are listed below. Check or test each item and watch any available videos. If you are still unable to solve the problem you may need to do additional research and troubleshooting. Remember, with our 365 Days. Period.® return policy you can return any part for any reason. So, go ahead and buy it to try it. No other parts retailer offers this unconditional return policy.
For the symptom you selected, these are the most common parts or causes, ordered by the likelihood of fixing the symptom.
If the string trimmer head won't stop spinning the clutch assembly might be worn out. The clutch assembly is located near the engine at the end of the trimmer shaft. It is sometimes possible to clean and repair the clutch assembly, but given the relatively low cost and the difficulty of the repair, it may be easier to simply replace the entire clutch assembly.
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