I'm shopping around for a used boat and I was wondering; how many hours
is too many on a two stroke outboard? Most of the boats I'm looking at
have dual Yamaha 250DPIs. I've seen them with 400 hours and I've seen
them with over 1000. I know this answer will vary depending on how well
the engines were maintained but I suspect there is some rule of thumb
that I just do not know.

Thanks
--
Rob