[Capt Len]

Could be bypass water and engine is nearly full. I'd pull the injectors or open de compress before turning up a hydraulic klunk. Keep raw water off until you solve the bleeding.

 

[Capt Len]

It would be useful to become familiar with your equipment before you drift broadside onto the beach. Eg, gas engines have chokes, diesels may have a decompresser .There may be other pertinent facts to learn.