oil film

[robie]

my late 70 110 9.8 mercury has a light oily film of some sort does any one know where this comes from? film is inside the engine block all over inside the cowl thanks.

 

[mthieme]

Re: oil film

Some people hit the inside with WD40 as a maintenance item to cut down on corrosion.

 

[robie]

Re: oil film

yup i think your right