1985 BlackMax 200 Mercury outboard 2 stroke engine serial number????

[Nperrine]

Ok cannot find serial number anywhere. I need a complete wiring diagram so if you can help?

 

[Chris1956]

Wiring diagrams are easy. Check the stickies in the Mercury OB forum or the maxrules website.

Look for a silver disc, like a freeze plug on the top rear of the block. It should have a serial number.

 

[Nperrine]

Thank you! Awesome!