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Sorry buddy, I don’t understand what you are describing about a dowel poking into the bore….
Why is it that you pulled this powerhead apart? These powerheads are pretty rugged, and don’t wear out or get damaged easily.
You mention the crank journals measured evenly, how did the bearing/retainers/rod look?
Perhaps there is wear on the wrist pin side of the rod causing the rod to feel sloppy…
my description may not have been the best, on the marineengine parts bomb chart this dowel is listed as a dowel, bearing. I decided to tear this one down as the compression was on the low side and judging from the looks of all the orange gasket silicone throughout out the block, someone else has had it completely apart before.the bearings, retainers and rod looked ok. I haven’t checked the wrist pin. thanks for the advice