90-99ish Bravo 1 plain janes were probably the BEST B1 ever built by Mercury. I had an HP500EFI in a 26' Sonic, and I made a LOT of mistakes in that boat. That drive was tough as nails.
Today's X-XZ-XR and whatever can't hold a candle to the strength of the old B1s. I know (personally ) that Mercury does a lot of Bravo 1 Warranty work; but you know they make a KILLING on replacement parts when out of warranty.