While you wait for answers, we may have found some information which could help you.
Click here for Trimmac Mcculloch Helphow can i fix mcculloch mt270 strimmer?
2 Stroke strimmer not running?
mcculoch petrol strimmer sparkplug ?
Mcculloch 2818 Runs fine but spool will not spin?
Fuel Starvation?
How do i keep my strimmer running?