While you wait for answers, we may have found some information which could help you.
Click here for Strimmer Running Petrolhow can i fix mcculloch mt270 strimmer?
how do i get my pull start to recoil ?
How can I replace electric cord on mcculloch air stream electric blower?
McCulloch MT270X ignition coil?
Fuel Starvation?
Where can I buy a strimmer spool spring for my McCulloch MT270X strimmer?