While you wait for answers, we may have found some information which could help you.
Click here for Where Buy SparesWhere can I buy a strimmer spool spring for my McCulloch MT270X strimmer?
How can I fix my weedeater?
2 Stroke strimmer not running?
How do i keep my strimmer running?
how can i fix mcculloch mt270 strimmer?
Mcculloch 2818 Runs fine but spool will not spin?