Johnson 225

[Wes DeLay]

Recently purchased a Boat with a Johnson 225. The boat had been sitting up for a long time. When we started checking the compression the #4 cylinder only had 80 psi. We pulled the head and found a significant gouge in the wall of the cyclinder. All of the other cyclinders had the correct compression. The plan is to sleeve that cyclinder and install a new piston. Is there a need to replace the rings on the other pistons since the compression is good on those?

[Bassmeister]

Not necessiarly so, BUT...You're gunna be splitting the case anyway.....your call. JMHO

[ChampioNman]

Once they are out mark them and then mich the pistons and cylinders to check for Oval conditions. A good hone job and new rings would be good if you are going to sleeve that cylinder. Good thing it is a looper as the X flows are a solid sleeve and have to be cut by a shop.