25 : 1
The perfect gas oil mixture for the jonsereds 49SP is 1:40 !
25 to 1
most chainsaw gas/oil mixtures is 32/1
1 gal gas + 2cycle engine oil
40:1 40 parts gas to 1 part oil.
The best mixture ratio for this model is 50:1. You can also get away with 40:1.
Mix 1/2 pint (8oz.) for every gallon of gas. 16:1 Ratio
50/1
it's electric...there is no gas
I use 4oz. per gallon of gas.
40:1
40:1