Average Dude Mods Pt 7 - Comparing Cylinders MS290 029 390 039 Stihl

In the seventh episode of "Average Dude Mods", we compare five different cylinders for the Stihl MS 390 /039. A cheap white box cylinder, Warhawak, Hyway, Duke's, and OEM. We go over the port timing numbers, and select which cylinder to use for our project saw.