The owners manual states 32:1. Not sure why so many ill informed people online keep incorrectly stating 50:1. Google 'honelite st155 manual' and download a free PDF of it if you wish to verify this info for yourself - I did exactly this yesterday.
D
November 2022
1:50 Oil to petrol (unleaded)
Phil Waldron
June 2009
32:1 works good on my st155
britt
May 2009
I can answer this question...
i have a homelite weed trimmer model st155 15". what is the gas/oil ration?
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