96 90HP Evinrude Ocean Pro runs fine then bad

DjKoKo

Seaman Apprentice
Joined
Mar 1, 2006
Messages
47
I'm puzzled and need a bit of help. Below will be the list of things done to this motor already. What it does is is it will kill constantly until it warms up somewhat. Once it does warm up, it runs BEAUTIFUL. Then after running it for a bit it will have a slight miss and try to even kill every once in a while. I have been shutting it down then and putting back on the trailer and home we go. I'm running out of ideas on what this is. Here's a list of what I have done:

Compression test OK
Spark check OK
Carbs Rebuilt
Gas drained and new put in with Marine Sta-Bil
Emptied fuel water separator. (No signs of water in fuel)
Primer Bulb changed.
Thermostats changed (one was bad)
 
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