Repairing Chainsaws

Attempting to repair 4 free chainsaws. Two Husqvarna 445, a Husqvarna 440, and a Poulan Pro PP4218AVX. I encountered various issues such as broken primer bulbs, a damaged fuel line, a seized oiler, and a filthy carburetor. See the links below for the parts and tools I used:
Primer Bulb:
amzn.to/3igCL1E (affiliate*)
Air Filter:
amzn.to/2Rdv4xc (affiliate*)
Spark Plug:
amzn.to/32fODLW (affiliate*)
Fuel Filter:
amzn.to/33gHslI (affiliate*)
Carb Adjustment Tool:
amzn.to/3k0QiLc (affiliate*)
Clutch Cover:
amzn.to/3hjOACS (affiliate*)
Hemostat Locking Forceps:
amzn.to/2DLpKyb (affiliate*)
*Purchasing from these Amazon affiliate links earns my channel a small commission. Think of it as a tip that doesn't cost you anything. Thanks for the support!