Weird title but yesterday I spent all day working to finish my two 2-stroke waverunners and only around 10pm I decided to go to my 1997 Maxum 5.7L to just start it and clean it a bit for the next morning.
to my surprise the engine
would try to crank and lock up. I thought it was the battery
being low. So enabled the dual charger
and waited, tried again and same thing. I opened up the engine
area at the transom and under the engine there was a lot of black, nasty water
touching the engine, and of course the drain screw was on(my bad). I remember after going fishing
a few month back, before Covid, I pressure washed the floor and never thought I had the drain blocked(brain fart). so cleaned up the engine compartment and tried again, no luck the starter sounded like it wasn't engaging(wasn't a click, click sound) weird sound as if it was free spinning and not touching the flywheel. So my friend suggested that it may be hydro locked.
I said how the heck I started it a month before when I did the pressure spraying. I did have water
running at the engine.
So how the heck did I get the water to stay in the cylinders, yes I took off all 8 plugs and spun the engine from the main pulley and water rushed right out.
I read about the risers getting rusted being cast iron, manifolds to go with, some said something about the risers being too low sometimes, but only if coming to a quick stop on water and engine overheated it could cause water to get in. Not my case here, never had that problem, and only the last trip was on salt water
. Cleaned it for 20min right afterwards.
what do you guys suggest besides getting the starter out and replacing it.
By the way the oil
doesn't look contaminated but I will change it with the filter.
Sorry for the long plot but wanted to fully explain.