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25 : 1
50/1
Go 50:1.
jonsered oil/gas mixture ratio is 50 to 1.
The perfect gas oil mixture for the jonsereds 49SP is 1:40 !
1/2 pint oil each gallon of gas.
50 to 1 2.6 oz oil to 1 gal. gas
If you use gasoline with no oil mix the engine will not get any lubrication and will overheat and lock up.
Yes they will. They are both petroleum products. My chainsaw has a 2 cycle engine, which burns a mixture of gasoline and oil, and they mix very well with each other.
The 451 is a 25:1 mix or 5.12 oz of oil to a gal of gas.
For 2-cycle oil it is 40:1 and for 30 weight auto oil it is 25:1
Mix 1/2 pint (8oz.) for every gallon of gas. 16:1 Ratio