While you wait for answers, we may have found some information which could help you.
Click here for Spark Plug Number
How do I check the compression on a Homelite H17?
How can I fix my Homelite UT20763 gas trimmer?
how tight should a chainsaw chain should be?
fuel mix?
Homelite Hedge Trimmer runs great but doesn't cut!?
Will the 25.1 Mix For fuel mix for homelite ht-17 hedge trimmer Be The Same?