Hello again everyone. So, while I've managed to avoid the coronavirus without any trouble, I'm afraid I may have caught a much more serious disease: The Vintage Saw Bug
An ad popped up about a mile away from me for these two old beasts. Ad said that they both ran several years ago until they were put away in a barn where they've sat since then and are now seized.
Normally I wouldn't be interested past that point, but since I've been getting into learning 2 stroke small engine stuff I figured these could be a learning opportunity to dig into and discover why they're seized, and if there's any possibility of them running again. It was only $50 for both saws, I figured at that price even if they're boat anchors at this point there are probably parts from both of these someone may need for their own saws.
Plus I just think they look cool... Thought the Mac would look cool sitting next to my grandfathers 250 and 39 on a shelf somewhere, even if it doesn't run.
As for the saws themselves, here's some photos. I don't know what the Mac is as I couldn't find any markings on it yet.
![OldMac.jpg OldMac.jpg](https://cdn.imagearchive.com/arboristsite/data/attachments/541/541657-317c8dbbc712da0ac38680c63ba16507.jpg)
Saw appears relatively good, there's some surface rust on spots but that should clean up easy enough. Oil tank was still full of oil and still pumps. Top part of fuel tank is rusty.
![Rot.jpg Rot.jpg](https://cdn.imagearchive.com/arboristsite/data/attachments/541/541658-546d57a7e2d1429013276f3cc964821f.jpg)
Worst issue on the outside is this big chunk of rot underneath the flywheel. This is magnesium rot, right? It doesn't look like its in too critical of a spot, can I just grind back to clean metal and create a makeshift patch out of something?
Advice about what to do with this kind of issue would be greatly appreciated.
![SparkPlug.jpg SparkPlug.jpg](https://cdn.imagearchive.com/arboristsite/data/attachments/541/541663-31949635490159ba75e1c174ddcecff1.jpg)
One of the first things I did was pull the spark plug to see if the inside of the piston/cylinder was all rusted up or something. Thankfully from what I was able to see it looks surprisingly good in there. I couldn't see much since the piston is near the top of the cylinder, but I didn't see any obvious rust or scratches/gouging. Spark plug still had a thin coating of oil on it. Either way I poured a little mystery oil in there to hopefully soak in and help lubricate things once again.
![MacBar.jpg MacBar.jpg](https://cdn.imagearchive.com/arboristsite/data/attachments/541/541662-de4e9ae2607bd75ac2b142f9360af9e5.jpg)
The McCulloch bar that came with it. Still looks pretty serviceable with a little light surface rust cleanup.
Going to throw in some pictures of the other saw too for good measure. It also has some rot happening on the bottom of the saw, but it doesn't look nearly as bad as the Mac.
![700D-Rot.jpg 700D-Rot.jpg](https://cdn.imagearchive.com/arboristsite/data/attachments/541/541661-a0e85adb8f42a1094611706c2363a53c.jpg)