Recent content by pharris1992

Is there a guide or video for reed valves that anyone can point me to? I have searched around here and on youtube and don't know that I have a great understanding of how they can be "checked". Do I have to tear the whole thing down just to visually inspect them?

I had the flywheel off when I replaced the stator and all was well. Could something have happened to it since then? No change in running condition before/after stator replacement.

Hey guys, I finally had some time to take a look at this. I don't have a timing light, but I have an inline spark tester that I used to perform the test you described. I went down to the boat ramp to do it, as it won't seem to die as easily just running on the hose. All cylinders had spark...

https://www.boats.net/catalog/mercury/outboard/40hp/40hp-0g055314-thru-0g760299/induction-manifold It looks like this is the diagram for the reed valve. Is there a way to test or inspect these before buying a new one? One thing that seems a little odd after looking at this diagram is that the...

I did not replace the carb floats. I did replace the impeller, but I have only had this for about a year; not sure of the total history. How would I check the exhaust housing? I was also reading about the reed valves, but that is not something I have ever looked at before. Do I need to pull...

Hey all, I need some help with my 1995 Mercury 40hp 4 cylinder. I don't think they made a lot of the 4 cylinder model as I cannot find much information on them online. I cannot seem to figure out what is causing the stumbling and dying at idle speed under load. I have tried everything I know to...