I got one drilled out and re-tapped today. Was a bit of a pain, used cobalt bits and it was really hard to keep it from walking, even after center punching it. I ended up using a carbide burr on a Dremel and making a divot in the middle of the bolt, then drilling a really small pilot hole on the...
I have an 89 Force 150 that has water in the cylinder. (4 lower cylinders to some extent, especially the bottom cylinder) Motor had a bad impeller before I purchased it and I'm sure it was probably overheated. All cylinders have good compression (140 to 150 psi) I get a bunch of white milky...