A handy See Bee model equivalency chart is here:
http://discount-marine-parts.com/ob_sea_bee_1.html
Your Goodyear is a 1948 1.5HP made by Gale. The Gale equivalent is Model 1G5. I see no 025-3582….
There is a parts manual for your motor here:
http://richardlpaquette.ca/C1G10%20manual.PDF
The Spark Plug is a #590143 or a #200322 which Frank R says (in a former post) is a Champion J6J (J6C).
Cool motor; eh?
