Stihl 021 rebuild part 1 - what have I gotten myself into

[embed]https://youtu.be/37qPn6cfWdg[/embed]Follow along as we tear down and rebuild a Stihl 021.We'll also be attempting to swap a 025 engine into the little 021I've also added a Sennheiser MKE 440 microphone to my camera rig, it shows up at the end of this video.