Get motor at running temperature and use fogging oil heavily until motor chokes out ...if it doesnt choke out totally (mine does not) keep spraying til its coughing and shut it down....remove plugs one at a tiime and spray foggin oil directly into the cylinder and replace ...I use a a water displacement oil (wd 40) and spray all wires, connectors and moving parts on the motor....replace the fuel filter and dont forget the Stabil in the gas tank....i use a heavy duty tarp and cinder blocks to cover....my trailer stays on the ground.....Good idea to use up as much fuel as possible before winterizing ....batteries come out but do not leave on the ground...mine go on milkcrates so they dont discharge... dont forget the lower unit oil when you open it up in the spring... Have fun
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