1989 Johnson Evinrude "CE" Colt/Junior thru 8 Service Manual, P/N 507753, Page 44Get this manual
7 Inspect propeller shaft seals for evidence of leakageReplace if necessary8 Drain and refill gearcaseLubricate all components of engineSee Lubricationthis section 9Check propeller conditionReplace if damaged10Retorque all screws and nuts to specifications11 Run engine in tank with proper test wheelCheck cooling system operation To remove internal carbon inject OMC Engine Tuner per directions on can DO NOT allow cleaner to soak in engine more than one hourCheck full -throttle test wheel RPM Check fuel system for leaks!