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2007 Optimax Lower Unit and Fuel Filter Question #12421299 09/10/17 08:01 PM
Joined: Dec 2011
Posts: 97
Delbert Offline OP
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Joined: Dec 2011
Posts: 97
I have a 2007 Mercury Optimax 225 hp here are my questions. I can not find a drain plug for the lower unit how do I change the gear oil. I have never seen one with out a drain plug?
I also can not locate an external fuel filter?
Thank you for any guidance you may provide.
Delbert

Re: 2007 Optimax Lower Unit and Fuel Filter Question [Re: Delbert] #12421350 09/10/17 08:47 PM
Joined: May 2003
Posts: 11,586
gary purdy Offline
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It is behind the prop. The fuel filter is a red serrated top plastic caped filter that screws into the VST. Requires a special tool.


Last edited by gary purdy; 09/10/17 08:56 PM.

The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD
Re: 2007 Optimax Lower Unit and Fuel Filter Question [Re: gary purdy] #12421424 09/10/17 10:05 PM
Joined: Dec 2011
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Delbert Offline OP
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Thank You Mr. Purdy: I came from a 200 hp carb. engine. Fuel injection is a challenge for me. Not sure what the principal was for moving the drain plug for the gear oil to a difficult location is. Again thank you and have a great evening. The pictures were very beneficial.

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