how long will stock bravo drives last in a cigarette revoltuion with triple 650 naturally aspirated engines and year 1990 bravo one drives with showers?

Are these 1990 drives with a ton of hours? If they have 600 hours plus on them(which they should if they are original to the boat),then they are probably just waiting to fail. Heavy boat,tired bravos,big power,probably not long,Smitty

they have about 430 hours on em

You want the 92 (that was the switch right?) plus B1's.

Driven carefully and maintained properly they have probably lived a full life so far. Depending on how big and heavy your boat is, it is a strain on the drives to get it on plane. If it is a boat your looking to buy, I would ask lots of questions about drive repairs. And if you do buy it, I would look into upgrading the drives or replacing them with XR's... I hope this helps

Dick

I'd have them gone through just to look at the condition on the internals. Rather catch something now before a gear comes apart and busts the casing.....cause then it's junk.