I run 40 : 1 in my M43. No problem in over 5 years. I would put a few extra drops of oil in the first 1/4 tank of fuel in the auger . Mix your jerry can with 40 or 50 to 1 your choice as it would be fine with either. 25 to 1 would be too rich and would probably smoke a lot and foul spark plugs and have starting problems.
In the first 1/4 tank in the auger, put a few extra drops of oil in it. Just for the first few starts and runs.
I wonder if they say 25 to 1 because of ethanol in fuel these days ? Ethanol is bad !
I only use Shell premium with no ethanol in all my toys as well as Seafoam.
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Kim
Gonna get me a 16" perch.
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