The right way to prep your saw for porting. Jonsered 2071/2065, 2166, 2172 + Husqvarna 365,371,372XP 

Some tips to make it easy for you and thinks to pay attention to so you don’t screw it up.
I got a surprise too! Anyhow, next video will be of the saw after porting a new cylinder and piston and some break-in runs.