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Winterizing

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906merc

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Winterizing my 2002 challenger 1800 merc 240efi. I changed the gear and stator oils, any thing else? I understand these are self draining engines but do the exhaust mufflers drain too?
 
I like to pull the spark plugs and lube the cylinders with fogging oil... then put plugs back in.

Also adding some fuel stabilizer (like Sta-bil) to your fuel tank is a good idea too... especially if you are running fuel with ethanol in it. And run the engine to get the stabilized fuel (or plumb in to a smaller treated gas can) in the VST and fuel lines.

And don't forget to remove your battery if your boat will be in freezing temps when stored.

Cheers!
 
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