I'm not sure if there is a specific rating, however my boat previously had an extra large engine and it required internal reinforcement to the outboard hanger tube on the transom and also cracked the bracket itself. I'm not sure how big they went...

--brendan

:: I just acquired "Heineken" and want more power to get
:: through tidal currents. What the max hp rating for
:: Express 27 motor bracket?
::
::
:: Thanks,

:: Fredrik