duvallite
ArboristSite Lurker
The specs for my Stihl 031 AV call for a 40:1 fuel mix. Since all my other newer Stihl equipment uses a 50:1 mix (trimmer, hedger, blower), I'd like to run the 50:1 in my saw also. Is it okay to use the 50:1 mix instead of the 40:1, and would it cause any problems, short term or long term?