Re: winterizing 85 hp force
If you leave it outside in a freezing environment, do the above plus the following.
Blow low pressure air through the plug on top of the thermostat to get as much water as you can out. I rotate the prop as I am doing this to get anywater out of the pump area. Next, take a ketchup bottle like the type you take to picnics and fill it with anti freeze. Pour it in through the plug hole in the thermostat housing while you are turning the prop. Have a catch pan under the engine when you do this. I also squirt some in through the intake slots on the side of the lower. I do this two or three times and have not had any ice damage in my engine.
Forgot to say, I change my lower oil before the winter comes to get any condensation out of the lower.
I also keep a running log on my engines as well as my other vehicles so that I know what I have done to them and when. It is a hold over from my flying days.
John