Top Gear Oil Screw on Lower Unit

[agharris]

What type of screw do I need to replace a missing one (holds in the gear oil) on the Lower Unit at the top of the shaft on a Mercury outboard?

 

[Steve135]

Re: Top Gear Oil Screw on Lower Unit

Hi go to any Marine store near you. They sell them in little blister packs for a couple of dollars.They go tru thousands a year!