1998 Johnson Evinrude "EC" 90, 100C, 105C, 115, 150, 150C, 175 60 deg. LV Service Repair Manual, P/N 520210, Page 35Get this manual
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7 Inspect propeller shaft seals for evidence of leakageReplace if necessary8 Drain and refill gearcaseLubricate all components of engineSee Lubrication, this section9 Check propeller conditionReplace