What manual are you looking at?
Are you referring to the waterseperating fuel filter? If so, it's just in front of the front starboard motor mount shown here.
If you have a boost pump and a Bravo drive, you may also have an inline filter somewhere in the line between the engine and the fuel tank. Which could be mounted anywhere. Just follow the line.
Here is the OEM servce manual. Look at page 1B-60
http://www.4shared.com/file/121518623/206767fc/Mercruiser_Service_Manual_31.html
Thanks for reply. I have the owners manual and its a Alpha drive. It says there is a inline fuel filter showing a canister type filter in manual.
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