Dave Stewart noted above that if you have a XS, it recommends Premium.Originally Posted by Starbuck
What about a Pro XS ?
i recently decided to start usinf dfi but not sure its best thing to do ...
3 dealerships told me three differant things and mercury never emailed me back yet .... although the manual says "mercury premium plus"
it just seems the dfi should be better
wish someone knew for sure heh
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