So I started trying to clean up the cylinder on the PP4218avx that I was working on... And I believe it's got an unlined cylinder! I thought the Pros were supposed to be Durachrome... If it's chrome lined, I'm not seeing it. Have you ever taken one of these apart?
Poulan pro strato NOT lined cylinder?
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dswensen
ArboristSite Guru
I tried the acid treatment on a PP4218 cylinder, and found that the acid would never stop bubbling. That lead me to believe I was looking at an aluminum cylinder without plating. I'm no expert however, so I am willing to be told I am wrong.
o8f150
Tree Freak
it should be nokosil,,spelled something like that,,,,, it is just very very thin on those cylinders
Chris-PA
Where the Wild Things Are
It looks like the only one they advertise as chrome now is the 5020. I have older Poulan/Craftsman 42cc saws and they are bare aluminum. I replaced one of the engines with a PP260 engine, which was otherwise identical but it was chromed. In fairness, I have an old non-chromed Craftsman that I ported the heck out of and had to do a bit of sanding on the bore to clean it up. It runs really well and has held up well - and it had a lot of hours before I got it.
What is it you have to clean up on it?
What is it you have to clean up on it?
