Fill the tank with fuel stabilizer. Fill the gas tank with gasoline. Turn on the engine and allow the fuel stabilizer to circulate.
Spray the carburetor with flogging oil. Turn off the engine.
Remove the crank case drain bolt, using a torque wrench. Drain the oil, using an oil drain pan. Add new oil to the crankcase and replace the bolt with a torque wrench.
Remove the covers of the air intake filter and the motor. Spray a moisture-reducing lubricant on the engine. Replace the cover.
Connect a hose to the engine's fresh water connection.
Clean the outer board with a damp, soapy towel. Wipe it clean with a try towel. Apply paste wax, using a cloth. Buff the wax, using an orbital buffer.