MERCURY 250HP

[boathouseq]

my 250efi smokes and shakes at idle up to 2100 rpms and then runs fine, any one with is problem need HELP.

 

[BW23]

Re: MERCURY 250HP

Are you still running on your winter fuel with stabilizer in it?? <br />If so...it will run rich (your symptoms) until you burn that fuel and add more.

 

[robsteinny]

Re: MERCURY 250HP

I have the same symptoms but have no stabilizer in the fuel. It's also idling high. Any suggestionos?