1978 Johnson 175, 200, 235 HP Outboard Service Manual, Page 165Get this manual
7Grasp throttle cable casing guide and trunnion nutPull firmly on casing guide to remove backlash from cable and remote control 1;1:11 NOTE
Unless backlash is removed before connecting and adjusting throttle cable, engine may not return to consistent idle speed8Position the throttle cable in upper notch in anchor blockSee Figure 8-11Adjust the trunnion adjustment nut on cable until hole in casing guide slips over throttle lever pinAttach casing guide to throttle lever with washer and locknut
peller shaft will turn freely when in neutral)Note amount of free play in shift lever and position lever in center of this travelPosition shift control cable on engine so that cable is in lower notch in anchor blockInstall cable retainer but do not tightenTurn the trunnion adjustment nut until hole in caSing guide is in line with pin on shift lever(Flat on caSing must face lever Attach casing guide to shift lever pin using washer and locknut suppliedSee Figure 8-1110Slip rubber grommet onto the two control cables and press grommet into groove in lower motor coverTighten cable clamp screws securelySee Figure 8-1111Connect battery cables and check operation of control