can 365 hp hurt a bravo 1 on re-entry if not throttled down?

depends on how heavy the boat is,,a buddy hurt his witha 23' baja dvx same power with a 3 blade mirage..the chances go up if you have a 4 or 5 blade prop..

When I bought my 311 it had 800 hrs, 365 mags and 3 blade 23 Mirage props.I had to replace the driveshafts when I rebuilt the drives because they were really twisted.

I have an original 1992 Bravo on my 23 foot Checkmate. used to be a 330 HP 454. Has a 425 HP 496 now for 6 years. Both 3 and 4 blade props over the years. I'm not gentle with it. My throttle has two positions with lots of air time.

I do have a drive shower but they seem pretty tough to me.

25zx 3 blade mirage plus

I would assume that if you come out at or near the rev limiter then you have less of a chance of hurting anything...

You can hurt a bravo with that power if it isn't driven right, even with less power for that matter. A lot of air time is tough on anything. But that is near stock power and those bravo's are common and wide spread for a reason. Do your best to match the prop speed on re-entry and she'll live for years with routine maintenance. If it's on your Donzi, that is a little heavier boat which will have a factor in the amount of wear.