Two-cycle engines like lawnmowers, string trimmers and boat motors often require different oil/gas mixtures, but single-mix oil will work for any ratio from 16:1 to 100:1.
By the DIY experts of The Family Handyman Magazine:November 2007
Eliminate multiple gas cans by switching to a single-mix oil for your two-cycle engines.
If you own multiple two-cycle yard machines, you probably have at least three gas
cans in your garage—each with a different gas/oil mixture. A single-mix oil eliminates
the need for multiple gas cans and frees you from ever performing a gas/oil
ratio calculation again.
A single-mix oil works with all gas/oil ratios, from 16:1 to 100:1. Just add a packet
to 1 gallon of gas and use it on any two-cycle engine. The product contains a fuel
stabilizer, so you can just store your equipment at the end of the season without
adding anything else to the gas tank. It's available at most small-engine dealers or online (search “single mix oil for 2-cycle engines”; one brand is opti2-4).
Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.
Avoid last-minute shopping trips by having all your materials ready ahead of time. Here's a list.
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