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  1. G

    3 cylinder 25 Mercury with EFI will not go past 4000rpm.

    I am working on a 3 cylinder 25 hp merc with EFI and the engine will not go past 4000rpm. When I first got this motor, there was air being sucked in at the fuel fitting. This has been corrected. The prop had not been changed and I question the fuel pressure on the fuel rail for the injectors. I...
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