1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 39Get this manual

1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 39

7Inspect propeller shaft seals for evidence of leakageReplace if necessary8Drain and refill gearcaseLubricate all components
hourDuring engine operation, carbon can build up on internal powerhead components, eventually causing piston rings to "stick
Adding OMC Carbon Guard'" fuel additive to every tank of fuel is your best protection against such buildup and the resulting
mechanical problemsIf OMC Carbon Guard is not used consistently in the fuel, OMC Engine Tuner should be applied every 50
operating hours13Check engine operation by verifying minimum test propeller RPMRefer to Engine Specifications, this Section