1989 Yamaha 225 horse V6 X Bog Down

by Steve A
(PSL Florida USA)

I have a 1989 Yamaha 225 horse V6 XL outboard when I run over 2000 RPM the engine will ball down but before it hits 2000 RPM he runs almost perfect I have taken it to a couple of mechanics they can't seem to figure out what the Issue is. Have replace the computer the Thermo regulators spark plugs fuel fuel filter and separator the three lights on my tack blank while I'm running the engine the red yellow and the other one would anyone out there have any idea what this might be

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