1974 Johnson 135 HP Outboard Motors Service manual, Page 92Get this manual
APPLY OMC GASKET SEALI NG COMPOUND TO SPLINE S
e Dip gearcase attaChing screws in OMC Gasket Sealing CompoundInstall and tighten to torque speCified in Section 2fInstall trim tab and align with marks made at disassemblyIf not marked at disassemblyset trim tab adjustment from "1-1 2" to "2" on trim tab
g Install power head as described in Section 5" THRUST BUSHING AND SLE EVE ASSEMBL Y
hInstall front and rear exhaust coversiEngage shift rod connector with bell crank and tighten bell crank screw