1996 Johnson Evinrude "ED" 9.9 thru 30 2-Cylinder Service Manual, P/N 507122, Page 39Get this manual

1996 Johnson Evinrude "ED" 9.9 thru 30 2-Cylinder Service Manual, P/N 507122, Page 39

7Inspect propeller shaft seals for evidence of leakageReplace if necessary8Drain and refill gearcaseLubricate all components
engine at fast idle (1500 RPM) for at least 15 minutes at normal operating temperature INotel During engine operation, carbon
can build up on internal powerhead components, eventually causing piston rings to "stick Adding 0IVk: Carbon Guard TM fuel
additive to every tank of fuel is your best protection against such buildup and the resulting mechanical problemsIf Carbon
Guard is not used consistently in the fuel, 0IVk: Engine Tuner should be applied every 50 operating hours13Check engine operation