I need the schematics for a Johnson Corporation model NBS75D serial#02596

Try this,

Johnson Outboard Manual for Service and Repair of your Marine Motor (http://www.themanualstore.com/Johnson-Manual-Outboard-Motor-Service-and-Repair-Manuals-s/204.htm&Click=6?gclid=CJzYxfjqrdECFQEHaQodu3EMoA)

This is the additional info you need to help your search.





The year your engine was manufactured
The horsepower of your motor
Two-Stroke or Four-Stroke motor