Good to know. It scared the crap out of me. I really do appreciate everyone’s advice and input. It’s helped me tremendously while working on this motor. Thanks again!
So I’m assuming the big thick black one inside the crankshaft head seal is what stops water from from back up into the motor and keep oil from leaking out. That and the seal
It’s a 1994 Johnson 90hp v4. Model number J90TLERC. I have looked at multiple diagrams and cannot seem to figure out if it’s suppose to have an oring below the splines.
I am replacing the bottom crankcase seal and the oring that sits inside the sleep that goes at the end of crankshaft that...
There is definitely a spot for one on the driveshaft. But there’s also a big oring inside the crankshaft head cover. So does that seal the driveshaft or does it need an oring added on the driveshaft as well?
I have a question about the oring that sits at the top of the driveshaft. Mine currently doesn’t have one on it. When I replaced the water pump last year it also didn’t have one when I pulled the lower unit. My manual says to install oring on the upper drive shaft but I can’t find an oring on...
