1974 Johnson 135 HP Outboard Motors Service manual, Page 54Get this manual
F igure 5- 8Removing Power Head hRemove port and starboard motor cover mount screws See Figure 5- 8Disconnect thermostat hoses and ground strap, Remove throttl leve and throttle camSee Figure 5- 9
THROTTLE CAM
Leave throttle lever to cam link connect edIRemove cylinde heads and bypass coversDO NOT remove water irculation stops In cylindersSee Figure 5-11AjRemove (our nuts and eight sc ews attaching power head to lower unitSee Figures 5- and 5-1 0Lift power head from exhaust housing and plac.e on bench for disassembly HOist should be used if available by attaChing to lift bracket Power head mus be placed on be nch so that crankshaft is ho rizontal nd rankcase is fa cing up Weight power head should be supported by the four oosses on the four cylindersSee Figure 5- 11