Johnson J90JLETS jet drive missing at WOT

[518DMK]

Johnson guru's,
I have a 1994 Johnson J90JLETS that is having WOT issues, it runs fine up until around 23-24mph but when I push it to full throttle it misses until I back off a little. I've changed the plugs to the champion QL77JC4 and ran 2 cans of sea foam in 10 gallon tank (idle much better after seafoam) but no change at WOT.
Any suggestions?

Thanks,
Dave

[ChampioNman]

Check your high speed orifices see if they are clean and fully seated in the carb bowls.