For 2-cycle oil it is 40:1 and for 30 weight auto oil it is 25:1
50 to 1 2.6 oz oil to 1 gal. gas
40:1
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Use regular Stihl 2 cycle oil. You mix it 50:1.
50:1 Ratio
32:1 or 40:1 with high quality 2-stroke oil mix would be fine. http://store.chainsawr.com/
I have the owners manual for my 041 farm boss it states " The mix ratio1:40 with stihl oil and 1:25 for other branded oils
. What is the correct gas/oil ratio for STIHL products?A. When using STIHL branded Two Cycle Mix Oil, a 50:1 ratio (1 gallon of gasoline to 2.6 oz of STIHL 2 Cycle Oil). STIHL has Two Cycle Oil in easy to use bottles that are pre-measured for easy mixing with regular grade gasoline that has a minimum rating of 89 octane. Refer to your owner manual.
25 : 1
Go 50:1.
50/1
jonsered oil/gas mixture ratio is 50 to 1.