Dead pump?

Appreciate the response but it’s definitely not the case here. I’m an engine builder from way back but was mainly curious if anyone has swapped out that part or had the same issue.

okay good!

Same issue we had with all the Kohlers, almost certainly is the o-ring not being the correct size or seated properly. I sent it to our local small engine guy we use when we don’t have the time to mess with things ourselves. He went out and found the correct part for our unit and installed it properly, no more issue (well, that issue) since.

EDIT: I remember he found our shaft had a hair bend in it (it initially came apart while running), and it quickly burned up even the correct ring, until we got the shaft turned. No issue since that.

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