1988 Johnson Evinrude CC 60 thru 75 outboards Service Manual, Page 54Get this manual
7Inspect propeller shaft seals for evidence of leakageReplace if necessary8Drain and refill gearcaseLubricate all components of engineSee Lubricationthis section 9Check propeller conditionReplace if damaged10Retorque all screws and nuts to specifications i system operationTo remove internal carboninject OMC
Engine Tuner per directions on canDO NOT allow cleaner to soak in engine more than one hourCheck full-throttle test wheel RPMCheck fuel system for leaks! If engine is to be storedrefer to Off-Season Storagethis section