Hey Yote, i just asked the same question, as i have an '04 Merc 150 EFI on my NX882. I wish there was a way to do the fogging myself but the dealers run some fuel mixture through the fuel system. I can and have done lower unit oil change, adding Stabil, and putting oil in the cylinders but the fuel mixture has me baffled, and the way i LQQK @ it, the last 5 years '03 thru '07, i've had my dealer winterize it and i've NEVER had a bit of problems, so i guess $80.00 is cheap insurance, for a $15,000.00 motor. I'd PROBABLY NEVER have any problems if i did it myself minus the fuel mixture, but i don't dare to chance it right yet. Jim
