Thanks but this one does not have a flush port on the outside. The user manual really makes it look like it is inside the case on the engine block somewhere. I dunno. The check line is clear from the fuel cooler assembly all the way out so if something is blocked it appears to be upstream from...
Hoping I can find some help with a 2010 Tohatsu four stroke MFS30B that does not appear to have water flowing through the cooling system. My dad just gifted me his boat (beautiful handmade 20' wooden boat) and it had unfortunately been sitting for a year or two without running prior to that (in...