1988 Johnson Evinrude "CC" 9.9 thru 30 Service Manual, P/N 507660, Page 10Get this manual
Outboard Steering System and Persons Safety The outboard steering system starts here at the steering wheel
and ends
What's Most Important?
The Steering System must not come apart must not jam must not be sloppy or loose
here at the Trim Tab on the outboard motor