This is out of the 1929 Sportwin NF I did last winter. Took a couple hours to get the baffle plates out so I could just scrape off what I could get at easily. This it typical for the motors I’m into. If you didn’t find your motor full of this crap, someone had cleaned it out, or you motor was never run much. Are vegetable base motor oils something that would be substituted for petroleum based products in your part of the world? Tubs
A "Boathouse Repair" is one thats done without having tools or the skills to do it properly.