Husqvarna 50/51/55 repair thread.

[Stump Shot]

This is what I'm concerned about. The one I'm working on is consuming all the oil quickly.

Part 501 77 24-01

View attachment 350877

That pump oils even when the chain isn't turning. In my experience the fix was a heavier oil. I added STP to mine, slowed it right down when warm out.