Found this site when trying to cross reference my motors http://forums.iboats.com/showthread.php?t=336518
Try it, Here is the info for my Johnson 35, 20" driveshaft
On the left side of page Select Motor Manufacturer. "Johnson"
http://www.boats.net/parts/search/parts.html
Enter Part Number in search box. "0323261" http://www.boats.net/parts/search/BRP/JOHNSON/1982/parts.html
On the right side of page it list Motor Manufacturer, Years used, and Model
http://gsa.boats.net/search?q=03232..._wide&btnG=Search+Johnson+Outboard+Parts+Only
Try it, Here is the info for my Johnson 35, 20" driveshaft
On the left side of page Select Motor Manufacturer. "Johnson"
http://www.boats.net/parts/search/parts.html
Enter Part Number in search box. "0323261" http://www.boats.net/parts/search/BRP/JOHNSON/1982/parts.html
On the right side of page it list Motor Manufacturer, Years used, and Model
http://gsa.boats.net/search?q=03232..._wide&btnG=Search+Johnson+Outboard+Parts+Only