While you wait for answers, we may have found some information which could help you.
Click here for Trimmer Wont Starthow do i fix the pull cord on a husqvarna trimmer?
Husqvarna L125 trimmer won't start?
Zama Carb leak, bulb not "filling" elastomers, cleaning, etc Husqvarna 125L?
how can I adjust carb on husqvarna 125L?
husqvarna Weedtrimmer?
Howto Fix Retaining Ring on Husqvarna 24C Trimmer?