We may have found other answers which could help you.
Click here for Weedeater Fuel Lines Gasspark plug for quantum 5 hp lawnmower?
What is petrol/oil ratio for Homelite trimmer SX135?
What is the suggested gas / oil ratio for a homelite ST80 trimmer?
What is the fuel mixture for the Homelite string timmer?
Gas/oil mixture for Homelite Ser. # AG2670591?
HP470?