I am going to say go to Bailey's because I have dealt with them and while there are other places Bailey's is nationally know for chainsaw users.
https://www.baileysonline.com/...
NOW, that said, similar tool sets can be had for less money if you do a net search.
It is better to have it and not need it, than need it and not have it.
It took me literally hours of searching, knowing what I was looking for to find such info but I did not bookmark other sites.
You may just need a new air filter, fuel filter, or your saw may need to be tuned to your area (chainsaws do, do, better if some one from your area, who knows what he is doing sets it, but not absolutely required)
There is a LOT of information on-line at site dedicated to chainsaw users.
Here are some I found and just reading what they have said to others has helped me:
https://www.arboristsite.com/c...
http://acresinternet.com/cscc....
http://www.chainsawcollectors....
Now I found these while looking for specific information on a specific chainsaw, so I did not have dig through main page directory, but there is a huge amount of general information available here, even if you do not join the forum.
