Chainsaw Overheat?

[sycamore]

Hi All,

New member here. I have an 031AV that I picked up cheap. Looks pretty lightly used. 20" bar.

Good compression. It runs fine after I tuned it but something is still off. If I run it pretty hard cutting hardwood it seems to get hot, not oil as well, and loose power in the cut. This is after about 3/4 tank. I don't think it is leaning-out because it still 4-strokes pretty good, but when you bury the bar it bogs (noticeably more than from a cold start). Set it down for 10-15 minutes and all is well for a whilen then repeat of above.

I had to clean out the groove in the bar (was really caked) and that helped it oil better. It does oil so I know (or at least I think I know) the oil pump it doing it's job.

I know the basics on small engines/etc. but this one is beyond me.

Thanks for reading.

 

[smokinj]

Maybe 4 stroking too much lean it up a little....

 

[kenskip1]

Sycamore,from your description I will venture that your gas filter is partially clogged.It 4 strokes when it does not have a load on it but when cutting the engine needs more gas and I have reason to think the gas filter is the culprit.Have you checked thew gas tank vent?I would also check the gas line for a sharp bend, that could restrict gas flow, Ken

 

[sycamore]

Thanks guys. I'll check the cap, filter and line.