Step by step for the winterization for the boat engine of mercruiser 2.5L 1989

[liusigou]

Do you have step by step for the engine of mercruiser 2.5L? Thank you

 

[Tycer]

Read the manual then this:
https://forums.iboats.com/forum/eng...w-to-winterize-your-engine-and-drive?t=178695

 

[liusigou]

Read the manual then this:
https://forums.iboats.com/forum/eng...w-to-winterize-your-engine-and-drive?t=178695

Thank Tycer for your replying. I have a question for the oil change. Which hole should I use to extract the old oil? There are two holes , one can adding oil , the other is the level ?

 

[Scott Danforth]

The dipstick

 

[Starcraft5834]

yeah. step is to drain out the water from the block and manifold. air doesnt freeze on earth...

 

[Tycer]

Thank Tycer for your replying. I have a question for the oil change. Which hole should I use to extract the old oil? There are two holes , one can adding oil , the other is the level ?

Outdrive top hole is a vent. Bottom is drain and fill.
Dipstick for oil drain.