1992 Johnson Evinrude "EN" 40 thru 55 Service Manual, P/N 508143, Page 303Get this manual
Prewired Surface Mount Remote Control Servicing Disassembly
1Disconnect battery cables before servicing electrical systemsFailure to do so could result in injury from ignition sources (sparks) or from contact with moving parts if accidental cranking or starting occursRemove control handleloosen hex head screw complete turns
19l 3Support control on blocks to allow the control handle to be
driven off the controlPlace center punch in head of hex head screw, and tap with plastic hammer to disengage the control handle splines from the hub splinesRemove the hex head screw and the control handleRemove three screws halves apart