My brother gave a used Poulan 401 to me around 1980. I've searched unsuccessfully for info about it, i.e., displacement, horsepower, reputation, purpose (pulpwood?), etc. It's a manual oiler. Hard nose bar. Compression is about 145 - Just checked it tonight - 8 very aggressive pulls. I've compared cut speed, in 18" Pine & Sweet Gum, it to my Stihl MS 310 (tuned outside factory allowance) - both tuned in wood & with my hand filed chains - it seems to cut just a little slower than the 310. Also, the oiler needs help - pump strokes feel like they are mostly air. Thanks for any info & suggestions for repairing the oil pump.
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