1985 OMC 65, 100 and 155 HP Models Commercial Service Manual, PN 507450-D, Page 62Get this manual
7Inspect propeller shaft seal(s) for evidence of leakageReplace if necessary 8Drain and refill gearcaseLubricate all components of motorSee Lubrication, in this section9Check propeller conditionReplace if damaged 10Retorque all screws and nuts to specifications11Run engine in tank with proper test wheelCheck cooling system operationTo remove internal carbon inject OMC Engine Cleaner (OMC Engine Tuner) per directions on canDO NOT allow cleaner to soak in engine more than orie hourCheck for full throttle rpm and proper operation of rpm limiter power packCheck fuel system for leaks&
12If motor is to be stored, it should be fogged with OMC Rust Preventative Oil (OMC Storage Fogging Oil) and fuel treated with OMC 2+4 Fuel Conditioner or drain fuel from tank, to prevent fire and explosion (if fuel is left in tank
Disconnect hose from tank Wrap fuel line around ears on top of tank Store tank in well ventilated area away from heat or flame (such as pilot light)