What are the reasons why a brush cutter won't start in spring?
Release Time:
May 18,2026
What are the reasons why a brush cutter won't start in spring?
If a brush cutter is not properly maintained after winter, it may not start in spring. The reasons and solutions are as follows:
(1) There may be leftover fuel from the previous year in the fuel tank. Therefore, check if the fuel is fresh and of good quality.
(2) The spark plug's function is to discharge the high-voltage pulse electricity sent by the high-voltage wire (spark plug wire) to ignite the air between the two electrodes of the spark plug and produce a spark to ignite the mixture in the cylinder. Many problems such as unstable idle speed, shaking, poor acceleration, insufficient power, and frequent self-extinguishing at idle speed are caused by damaged spark plugs. If the spark plug is dirty, it can be cleaned; if it is severely damaged, it needs to be replaced with the same model. If it cannot ignite, adjust the electrode gap of the spark plug to 0.6-0.7mm.
(3) If the carburetor has leftover fuel from the previous year when it was not in use, it should be cleaned (it is necessary to have a professional do the cleaning).
(4) Send the lawn mower engine and carburetor to a professional store for repair.
Everyone must perform regular maintenance on the lawn mower to reduce various malfunctions. In addition, if you cannot solve the problem by yourself when the lawn mower malfunctions, be sure to contact the after-sales service for handling.
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