50:1 ratio. Or simply put - 2.6 oz of 2 stroke oil mixed with one U.S. gallon of unleaded gasoline.
It is 50:1.
The gas to oil ratio for this type of trimmer should be 40:1. Sears sells the premixed fuel for $4.99 http://www.sears.com/shc/s/p_10153_12605_07136521000P?keyword=fuel+mix
That is 1.666 tablespoons.
25cc is 1/40 of a litre (there are 1000cc in a litre)
because there is not enough gas in the engine so to fix it prime it twice the amount of times it says to prime it then it should not stop if it stops it means you have a piece of crap
where do i find a replacement gas tank for craftsman 17 25cc
Liquid measurements are referred to as volume measurements. The liquid measurement for 25cc is equal to 25ml which is equal to 0.75 fluid ounces.
5 miles per hour
"i think its about 1 horsepower but it could depend on aplication." 25cc engines can range anywhere from 1-8hp depending on the carb, exhaust, head, piston, etc