1993 Johnson Evinrude "ET" 60 thru 70 Service Manual, P/N 508284, Page 265Get this manual
Prewired Surface Mount Remote Control Servicing Disassembly
ill systemsFailure to do so could result in injury from ignition
sources (sparks) or from contact with moving parts if accidental cranking or starting occurs1sl2Remove control handleloosen hex head screw complete turns
1Disconnect battery cables before servicing electrical
1913Support 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 handle