2-Stroke Oil Mix Ratio


This is one of those charts that you can never find when you need it.

  1gallon gas 2½ gallons gas 5 gallons gas
16:1  8oz oil 20oz oil  40oz oil 
24:1 5.5oz oil 13.5oz oil 27oz oil 
32:1 4oz oil 10oz oil 20oz oil 
40:1 3.2oz oil  8oz oil  16oz oil 
50:1 2.6oz oil  6.5oz oil  13oz oil 

my Ryobi 720r uses 32:1

my STIHL 025 uses 50:1

© 2008 Mark Goodall