MarineEngine.com does not offer troubleshooting assistance or repair advice by email or by telephone.
You are invited to join our public Boat Repair Forum to seek assistance from other members.
You may also visit the Boat Motor Manuals section of our site to obtain a service manual.
Through the the water pump base seals as BT mentioned above. Check shaft for grooves where seal rides. Replace water pumps base if it leaks.I'm not trying to be a pain. I understand the diagram. Where the o ring is the oil galley. How does the air go into the water pump. The oil galley is sealed. Thanks for the help. I'm trying to understand the flow