While you wait for answers, we may have found some information which could help you.
Click here for Mcculloch Gas TrimmerHow can I fix my weedeater?
How do i keep my strimmer running?
how do i get my pull start to recoil ?
Mcculloch 2818 Runs fine but spool will not spin?
McCulloch MT270X ignition coil?
2 Stroke strimmer not running?