12PK - 100:1 / 50:1 Choice Synthetic Oil (Brand of our Choosing) (2.6 oz - Makes 2 Gallons at 100:1 or 1 Gallon at 50:1) Fits_ Echo CS-4910 Easy rail system sold separately

Easy rail system sold separately

Using ECHO's YOUCAN 90155Y Maintenance Kit will help keep your ECHO outdoor power equipment running at peak performance

6 cm³ Output shaft power1

Dry Weight (lbs) - 13

This will not work on the CS-4510 or Cs7310P/PW refer to (91157)

12PK - 100:1 / 50:1 Choice Synthetic Oil (Brand of our Choosing) (2.6 oz - Makes 2 Gallons at 100:1 or 1 Gallon at 50:1) Fits_ Echo CS-4910 Easy rail system sold separatelySaw Suppliers will ship you a Professional high quality synthetic base 2 Cycle Oil of our Choosing that is designed to do a better job fighting carbon deposits that rob engines of power and reduce their service life. Select Premium 2 Cycle Oils designed for 100: 1 mix ratios are a proven way to save costs and keep engines running cleaner in heavy use environments. 2. 6 oz Bottle is Designed to work well mixed with 1 or 2 Gallons of fuel.