EFCO was created in 1934.
efco makes the cs series saws.before that some made by homelite before that echo etc.efco is a very well made saw.i think the cs46 has removable cylinder not a clamshell design.very well made saws.
how to adjust petrol air on mt3700
Efco makes Efco chainsaws, they are an Italian company. Their chainsaws are excellent pro level saws that compare directly with other top manufacturers. They use to make saws for John Deere until 2007 when JD signed a contract with Stihl. They can found under other names such as Olympic I believe.
25-1
Efco/Olympic
50:1
The Efco 8725 typically requires a fuel mix of 50:1, which means 50 parts gasoline to 1 part two-stroke oil. This ratio is essential to ensure proper engine lubrication and performance. Always check the manufacturer's specifications in the user manual for the most accurate information.
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not 100% sure but almost all new saw says 50 to 1.but i never run them that lean even if they saw its fine.i mix my stihl 35 to 1.if it doesnt fowl plug i run em heavy,i have a old 1980 saw that has cut 300 cords of wood and never had any work at all except replaced fuel line and filter.
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