While you wait for answers, we may have found some information which could help you.
Success
Message
replacing a pull cord on mac2818 trimmer?
Oil to fuel mix?
Mcculloch 2818 Runs fine but spool will not spin?
Where to buy mt270x petrol cap?
Mc Culloch pro mac 2500?
McCulloch MT270X ignition coil?
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?
mcculoch petrol strimmer sparkplug ?
how do i get my pull start to recoil ?