Grass Trimmer & Brushcutter25/07/2023
Why are my two-stroke grass trimmer and brushcutter not running to full throttle and why are they quieter than they used to be?
This is typically an indication of a restricted spark arrestor. This causes lower RPMs and quieter than normal running conditions.
Spark arrestor maintenance
Husqvarna recommends that the spark arrestor is cleaned after every 50 hours of use.
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