Fairly major overheat when an impeller vane broke off and one bit plugged the end of the delivery tube (my fault for improper maintenance and having a non-working flow sensor). All but two small bits of old impeller recovered (maybe 1/8"x1/4"x3/4" at most) and those were either accidentally...
'89 Suzuki 30hp (oil injection) starts right away after priming and runs just fine for 10-15 minutes before dying (either at idle or at speed). Re-priming seems to get it going again, but each time it gets a little shorter until you have to perform cardiac massage on the primer bulb to keep it...