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Contributor
65 Answers
- Posted on Aug 03, 2016
Re: I have a stihl km 55 r strimmer but i need to know...
Yes, 50 to 1 with the Stihl Full Synthetic 2 cycle oil......or the Echo Syn Blend oil . ALWAYS use NON ethanol gas, and you will be much better off, as the ethanol will foul your small passages in carb .
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