2004 SR Johnson 2 Stroke 9.9, 15, 25, 30 HP Outboards Service Manual, Page 80Get this manual
MAINTENANCE SUBMERGED ENGINES Clean and inspect all electrical componentsReplace damaged or corroded components prior to returning the outboard to serviceElectric starters should be disassembled, cleaned, flushed with clean water, and treated with water displacing electrical spray prior to reassemblyRemove carburetor for draining, disassembly and cleaningDisconnect fuel supply hose from outboardDrain and clean all fuel hoses, filters, and fuel tanksInject small amount of outboard lubricant into spark plug holes and install new spark plugsReinstall all removed or disconnected partsRun the outboard below 1500 RPM for one-half hour on 25:1 fueloil mixture
Engine Dropped Overboard (In Salt Water)
Follow the same procedures used for Engine Dropped Overboard (Not Running) and Engine Dropped Overboard (Running)Disassemble and clean outboards that have been submerged in salt water for prolonged periods of time Electrical components must be cleaned or replaced as necessary