Pumps lots of water out relief when thermostat opens, spray when closed.
Year is 1964 18hp
Fresh water motor, no inlet clogs.
Holes in pump are clear.
J4C plugs
Only rubber part in thermostat is the gasket, skirt facing down.
Complete new ignition with CDI coils. Now cylinders are cutting out, preventing me from running it again right now.
Will pull everything apart when my ambition returns, and my temper normalizes. 👿