While I sai “Oh, no” to the mini Mac, they’re not a bad saw once you get used to working on them. I don’t know how many years they were made but there is probably 50 different ways that McCulloch designed them. Best advise is use YouTube to learn the basics of getting them apart. They’re not that bad. The thing to remember is when putting it back together replace everything inside and put it together carefully. There’s a lot of things that have to happen at the same time sliding the power assembly back into the outer case and if you miss or goof just 1 thing you’re going to be pulling everything back apart. Everything has to be perfect. I mean PERFECT.
The 10-10 is a real good saw to learn on. Not bad to work on. If it’s an older one that has points it’s best to pay attention to getting the points set correctly. So it will start easier. (They’re known to be hard starting cold.) Make sure the impulse port is clean. Fuel lines can be hard to find, when you find them buy several.
The -10 series, what I call them starts with the 1-10 then 2-10, 3-10, 4-10, 5-10, 6-10, 7-10, and 10-10. There is no 8 or 9-10. All are 54cc except the 6-10 and 7-10. Those are 70cc. If they say “Super” as part of the name they are 57cc, if I recall. Such as 10-10 Super or Super 10-10. The 3-10 and the 10-10 also were available as electric start. The 3-10E and the 10-10E. I have a 10-10E. I was fortunate to get a 1-10 from Alan. I have four 2-10’s, a 3-10, a couple of 6-10’s, a pair of 7-10’s and a crap ton of 10-10’s.
The PM610, aka “ Brick” are good runners. Easy to start and run nice. There are different models of that line. All start with PM. The 605, the 610 (most abundant), the 650 and the 655. The 605 is about 55cc. The rest are all 60cc. The main difference between them is port design and port timing. The 650 and 655 have compression release. Use it. It’s not to save your arm, it’s to save the recoil.
What I like about the -10 saws is that there are a ton of variations that the -10 was the base of. PM 55, PM 555, PM 70 and 700. The list is long.
When I first started collecting saws I grabbed everything I found, which was mostly Homelite around here. While I still grab the “Odd Brand” I settled on McCulloch as what grabs my attention. I’ll stop every time to check one out.