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#12507203 - 11/17/17 04:49 PM 75hp optimax merc service
Thumpy Offline
Outdoorsman

Registered: 10/17/17
Posts: 77
Loc: Cleburne
I'm new to this. What oil do you guys run in the opti? How often do I need to clean/replace the fuel filter? How often do I need to replace lower end oil? 2007 model lowe stinger, 75hp mercury opti.

Bought this boat couple months ago, I've put 80 hours on my electeocnos, I assume around 40ish on the motor. Thanks in advance!

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#12507218 - 11/17/17 05:09 PM Re: 75hp optimax merc service [Re: Thumpy]
Thumpy Offline
Outdoorsman

Registered: 10/17/17
Posts: 77
Loc: Cleburne
Electronics***

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#12507549 - 11/17/17 09:25 PM Re: 75hp optimax merc service [Re: Thumpy]
SteezMacQueen Online   sleepy
TFF Team Angler

Registered: 11/02/14
Posts: 4836
Loc: Red Oak, Galveston, and Pagosa...
Fuel filter changes as often as needed (especially with today's [censored] gas)...lower unit oil annually when you change the water pump impeller.....Penzoil synthetic blend in the oil tank. Also make sure to use a fuel stabilizer to help the above mentioned gas not turn bad as quick.

As for the hours.....highly unlikely that you are actually running the motor 50% of the time that the electronics are being used. In an 8 hour day of using the graphs, I might use the big motor for 15-30 minutes. More time if I'm idling through a stump field, and less time if I'm just moving from a spot to a spot.
_________________________
RIP little Nitro




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#12507777 - 11/18/17 06:36 AM Re: 75hp optimax merc service [Re: Thumpy]
gary purdy Offline
TFF Guru

Registered: 05/24/03
Posts: 11327
Loc: Littlefield Tx & Lake A. H. US...
Everything annually.
_________________________
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

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#12507872 - 11/18/17 08:35 AM Re: 75hp optimax merc service [Re: Thumpy]
Thumpy Offline
Outdoorsman

Registered: 10/17/17
Posts: 77
Loc: Cleburne
Is the fuel filter cleanable or replace?

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