Chain sprockets are a key drivetrain component in a lot of builds. Unfortunately they can be difficult to source, particularly for those outside the reach of retailers like McMaster-Carr.

To achieve this, it was necessary to source some parts and make some modifications to the chainsaw. The clutch bell was removed, and modified to mount a roller chain sprocket. An arm was then ...

Reinstall anything removed in prior steps: air filter and its cover, the chain sprocket cover, the spark plug. Sharpen the chain using a correctly-sized chainsaw file. If the chain appears to be ...