CONTINUOUSWAVE

Thank you for the help everyone. I received the block off kit and will post results when I have a chance install it, hopefully this weekend. Unfortunately, I can't keep the boat where I live, so it's not easy to work on her.

Thank you editor.

I was confused. The gear inside the case attached to the crank is the plastic one and the driven gear extending up into the oil pump has always been metal.

I will buy the block off kit and see what happens.

Here is the block off kit available through various sellers:

http://parts.promarineusa.com/productde ... /1/1/43456

On posts regarding [failures of the oil mixing system used in Mercury two-cycle classic outboard engines], it has been stated that Mercury customer service will help non-dealer and non-mechanic call-in customers find part numbers, will sell the parts, and even send instructions on how to [perform th...