And there are 4-stroke engines, such as the Stihl 4-mix[0] that use fuel mixed with 2-stroke oil for fuel and lubrication. 0 - https://www.stihl.com/4-mix-engi

And there are 4-stroke engines, such as the Stihl 4-mix[0] that use fuel mixed with 2-stroke oil for fuel and lubrication. 0 - https://www.stihl.com/4-mix-engine-lightweight-and-with-good-lugging-power.aspx https://www.stihl.com/4-mix-engine-lightweight-and-with-good...