1988 Johnson/Evinrude "CC" 40 thru 55 Models Service Manual, Page 287Get this manual
10Lift shift and throttle plate from housingUse caution when removing mounting plate, shift and throttle plate as detent spring is highly compressed and may fly out, causing personal injuryWear safety glasses113111 Remove detent roller spring ] &
detent shoe
and detent
[!!] 12Lift shift lever assembly from control114113To remove throttle lever assemblyremove flat head screw and countersunk washer from controlDiscard the patch screwLift throttle lever assembly and throttle lever spacer from control116114Remove screw and locknut retaining the shift lockout cam to fast idle leverDiscard the locknutRemove keeper plate screw Lift shift lockout cam and shift lockout lever (f) from housingRemove spring washer and fast idle lever from housing15The key switch, warning horn, neutral start switch, and emergency ignition cutoff switch are serviceable, if necessaryReplace, if damaged16To disassemble control handle, remove two screws securing the plate to the control handle Lift neutral lock slide and slide return spring from control handleRemove screw retaining control handle knob and four screws retaining control handle cover Remove control handle knob and control handle cover from control handleTo remove trimtilt switch assembly, remove screw retaining switch to coverCleaning and Inspection r,&1lnspect bosses of the flange in the shift lockout camIf there is any sign of rounding of the edges, replace the shift lockout cam11sjlnspect slots in the fast idle lever for wearReplace the fast idle lever, if necessaryRemove electrical components and disassemble mechanical partsClean mechanical parts in solvent but DO NOT immerse electrical components in solventInspect mechanical parts for wear or cracksReplace worn or damaged parts