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Introduction and Parts Overview

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How to Rebuild a Chainsaw Engine

What happens here

The video begins with an introduction to the project, which is to rebuild a Stihl MS 500i chainsaw. The creator explains that the chainsaw was damaged due to using the wrong fuel (aviation fuel instead of mixed gas). He briefly shows the damaged piston and cylinder from the previous disassembly. The goal is to install new parts and get the chainsaw running again. He introduces some of the tools he'll be using, including a Milwaukee cordless drill and an angled impact driver. He also shows the box of new Stihl parts.

Goal: Understand the project scope and gather initial tools and parts.

Tools and materials

  • Chainsaw Guide Bar Cover Stihl — Protects the chainsaw bar and chain when not in use
  • Milwaukee Angled Impact Driver Milwaukee — Accessing bolts in tight spaces
  • Milwaukee Cordless Drill Milwaukee — Disassembly and reassembly of bolted components
  • Replacement Parts — Replacing damaged internal engine components
  • Stihl MS 500i Chainsaw Stihl — The primary equipment to be rebuilt