2000 Johnson/Evinrude SS 25, 35 3-Cylinder outboards Service Manual, Page 33Get this manual
7Inspect propeller shaft seals for evidence of leakageReplace if necessary8Drain and refill gearcaseLubricate all components of engineSee Lubrication, this section 9Check propeller conditionReplace if damaged10Retorque all screws and nuts to specifications11Run engine in test tank with correct test propellerCheck cooling system operation12To remove carbon deposits from combustion chambers and pistons, inject CWIC Engine TunerLet tuner soak in engine between three and sixteen hoursAfter soaking, run engine at fast idle (1500 RPM) for at least 15 minutes at normal operating temperature INote During engine operation, carbon can build up on internal