1970 Johnson 115 HP Outboard Motor Service manual, Page 97Get this manual
: ONTROL DISASSEMBLY AND SWITCH REMOVAL
aRemove three screws attaching control to boatb, Remove the three control housing assembly screwsSee Figure 8-1cRemove two screws retaining the toggle switch and cut he leads at :he splice dTest the switch assembly continuity as described in paragraph ESTING REMOTE CONTROL SHIFT CIRCUIT
Control unit should be completely disassembled for cleaning and inspection if evidence of dirt or corrosion is foundAfter cleaning, wipe metal parts with an oil dampened clothDO NOT IMMERSE TOGGLE SWITCH IN CLEANING SOLVENT