Mercury Compression

[Bigshrimpin]

Originally Posted by jorgeinmiami

I have a 1992 Mercury 200 Offshore outboard that I ran a compression check over the weekend.

All cylinders came out at 110 psi.

Im not sure if this is good or not.

What would be a indication or where should they be?

There are some 2.5L 200's that have lower compression. I'll check to see the number on the heads. I have two 1992 2.5L 200hp in my garage compression is even on both engines right at 110psi.